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Intel Core i5-8257U

英特尔酷睿i5-8257U是基于Coffee Lake架构的笔记本电脑四核SoC,该处理器于2019年中期在新入门级MacBook Pro 13中发布。相比其前身,CPU现在是具有超线程功能的四核支持最多同时执行8个线程。基本频率仅为1.4 GHz,但Turbo达到3.9 GHz。它还配备了具有128 MB eDRAM的Intel Iris Plus Graphics 645 GPU,双通道内存控制器(DDR4)以及VP9和H.265视频解码以及编码。该芯片仍采用FinFET 14nm工艺制造。

与具有eDRAM和15瓦的更快Core i7-8557U型号相比,i5-8257U仅具有6 MB智能缓存和Iris Plus GPU的最低的频率。

架构

与Kaby Lake相比,英特尔基本上使用相同的微体系架构,因此每MHz性能没有差异。制造商仅对速度转换技术进行了重新设计,以实现电压和时钟的更快动态调整,而经过改进的14纳米工艺可提供更高的频率和更高的效率。

性能

多亏了相对较高的Turbo Boost频率,单线程性能应该非常好,但仍落后于速度更快的i7。与以前的双核版本相比,借助额外的内核,全核性能明显更好。在持续的工作负载中,性能通常受TDP和冷却的限制。在这些工作负载中,与Core i7的差异也更小。

图形

集成的英特尔Iris Plus 645图形芯片是Coffee Lake GPU(英特尔第9.5代)的GT3e版本。它具有48个以300-1050 MHz运行的执行单元,并且由于具有快速的eDRAM缓存,其性能可与GeForce 930M或940MX相媲美。但是,与旧的Iris Plus 650相比,没有任何重大改进,因此现代游戏通常无法流畅运行,或者只能分别在最低或中等设置下运行。

与Skylake不同,Kaby Lake现在还支持具有10位色深的H.265 / HEVC Main 10以及Google的VP9编解码器。一月份宣布的双核Kaby Lake处理器也应该支持HDCP 2.2。

能耗

该芯片采用FinFET改进的14nm ++工艺制造,从而进一步提高了效率。英特尔将TDP指定为15瓦,因此适合轻薄型笔记本电脑。

CodenameCoffee Lake-U
SeriesIntel Coffee Lake

Series: Coffee Lake Coffee Lake-U

Intel Core i7-8559U2.7 - 4.5 GHz4 / 8 cores8 MB L3
Intel Core i7-8557U1.7 - 4.5 GHz4 / 8 cores8 MB L3
Intel Core i5-8269U2.6 - 4.2 GHz4 / 8 cores6 MB L3
Intel Core i5-8279U2.4 - 4.1 GHz4 / 8 cores6 MB L3
Intel Core i5-8259U2.3 - 3.8 GHz4 / 8 cores6 MB L3
Intel Core i5-8257U « 1.4 - 3.9 GHz4 / 8 cores6 MB L3
Intel Core i3-8109U3 - 3.6 GHz2 / 4 cores4 MB L3
Clock Rate1400 - 3900 MHz
Level 1 Cache256 KB
Level 2 Cache1 MB
Level 3 Cache6 MB
Number of Cores / Threads4 / 8
Power Consumption (TDP = Thermal Design Power)15 Watt
Manufacturing Technology14 nm
Max. Temperature100 °C
SocketFCBGA1528
FeaturesDual-Channel DDR4 Memory Controller, HyperThreading, AVX, AVX2, Quick Sync, Virtualization, AES-NI, Intel SSE4.1, Intel SSE 4.2
GPUIntel Iris Plus Graphics 645 (300 - 1050 MHz)
64 Bit64 Bit support
Architecturex86
Announcement Date07/10/2019
Product Link (external)ark.intel.com

Benchmarks

Performance Rating - CB R15 + R20 + 7-Zip + X265 + Blender + 3DM11 CPU
26.5 pt (44%)
AMD E1-2100
2.31 -91%
...
25 -6%
25.1 -5%
25.4 -4%
25.7 -3%
25.7 -3%
25.8 -3%
Intel Core i5-8259U
25.9 -2%
26 -2%
Intel Core i5-8265U
26.4 0%
Intel Core i5-8257U
26.5
26.7 1%
26.7 1%
26.9 2%
26.9 2%
Intel Core i5-1035G4
27 2%
27.1 2%
Intel Core i5-1035G1
27.2 3%
Intel Core i5-8365U
27.3 3%
Intel Core i5-1035G7
27.4 3%
...
47.4 79%
max:
60.1 127%
0%
100%
Cinebench R23 - Cinebench R23 Multi Core
4033 Points (4%)
AMD E1-2100
202 -95%
...
3603 -11%
Intel Core i7-1065G7
3615 -10%
Intel Core i5-8259U
3792 -6%
Intel Core i5-1035G4
3800 -6%
3866 -4%
3897 -3%
3930 -3%
3984 -1%
Intel Core i5-1035G1
4027 0%
Intel Core i5-8257U
4033
4049 0%
4079 1%
4112 2%
4311 7%
Intel Core i5-8400H
4657 15%
4724 17%
4880 21%
Intel Core i5-1230U
4911 22%
5022 25%
...
32782 713%
max:
107681 2570%
0%
100%
Cinebench R23 - Cinebench R23 Single Core
1003 Points (43%)
AMD A10-5745M
74.4 -93%
...
886 -12%
AMD Ryzen Embedded R1606G
888 -11%
Intel Core i3-8109U
906 -10%
971 -3%
973 -3%
974 -3%
Intel Core i5-8259U
976 -3%
983 -2%
988 -1%
Intel Core i5-8257U
1003
Intel Core i5-8265U
1008 0%
Intel Core i5-1035G1
1016 1%
1021 2%
1033 3%
Intel Core i5-10310U
1051 5%
1055 5%
1074 7%
1089 9%
Intel Core i7-8850H
1096 9%
...
2270 126%
max:
Intel Core Ultra 9 285K
2348 134%
0%
100%
Cinebench R20 - Cinebench R20 CPU (Single Core)
min: 388     avg: 393     median: 393 (44%)     max: 398 Points
Cinebench R20 - Cinebench R20 CPU (Multi Core)
min: 1494     avg: 1520     median: 1519.5 (4%)     max: 1545 Points
Cinebench R15 - Cinebench R15 CPU Multi 64 Bit
min: 629     avg: 634     median: 633.5 (4%)     max: 638 Points
AMD A4-1200
31 -95%
...
620 -2%
Intel Core i5-8259U
622 -2%
624 -2%
624 -2%
Intel Core i5-8260U
627 -1%
628 -1%
Intel Core i7-4870HQ
629 -1%
630 -1%
Intel Core i7-4960HQ
632 0%
Intel Core i5-8257U
634
635 0%
Intel Core i7-4770HQ
635 0%
AMD Ryzen 7 2700U
640 1%
Intel Core i7-4900MQ
641 1%
642 1%
Intel Core i7-1065G7
648 2%
648 2%
Intel Core i7-4800MQ
648 2%
650 3%
...
5600 783%
max:
15842 2399%
0%
100%
03570105140175210245280315350385420455490525560595630Tooltip
Cinebench R15 - Cinebench R15 CPU Single 64 Bit
min: 156     avg: 157.7     median: 157.7 (44%)     max: 159.3 Points
AMD A4-1200
19 -88%
...
Intel Core i7-7560U
153 -3%
Intel Core i7-4980HQ
153.5 -3%
153.9 -2%
Intel Core i5-8265U
155 -2%
Intel Xeon E3-1505M v5
155.2 -2%
Intel Core i7-7700HQ
155.4 -1%
Intel Core i5-8260U
156.9 -1%
Intel Core i5-8305G
157 0%
157 0%
Intel Core i5-8257U
157.7
Intel Core i5-7440HQ
158 0%
Intel Core i7-8709G
158 0%
Intel Core i7-7660U
158.5 1%
Intel Core i7-7567U
159 1%
159 1%
Intel Xeon E3-1535M v5
159.3 1%
159.5 1%
159.5 1%
160.4 2%
...
311 97%
max:
Intel Core Ultra 9 285K
355.5 125%
0%
100%
7-Zip 18.03 - 7-Zip 18.03 Multi Thread 4 runs
19620 MIPS (11%)
7-Zip 18.03 - 7-Zip 18.03 Single Thread 4 runs
4083 MIPS (48%)
HWBOT x265 Benchmark v2.2 - HWBOT x265 4k Preset
5.3 fps (9%)
0123456789101112Tooltip
Blender - Blender 2.79 BMW27 CPU *
714 Seconds (5%)
3DMark 11 - 3DM11 Performance Physics
7866 Points (20%)
3DMark - 3DMark Fire Strike Standard Physics
8936 Points (16%)
3DMark - 3DMark Time Spy CPU
2740 Points (12%)
Geekbench 5.5 - Geekbench 5.1 - 5.5 64 Bit Single-Core
948 points (37%)
AMD E1-2100
125 -87%
...
Intel Core i5-7287U
899 -5%
Intel Core i5-8200Y
900 -5%
AMD Ryzen 5 3580U
900 -5%
914 -4%
917 -3%
Intel Core i5-7260U
920 -3%
928 -2%
932 -2%
AMD Ryzen 7 3780U
940 -1%
Intel Core i5-8257U
948
Intel Xeon E3-1575M v5
953 1%
Intel Core i5-8259U
961 1%
Intel Core i7-6567U
970 2%
981 3%
Intel Core i3-10100Y
986 4%
987 4%
990 4%
Intel Core i3-10110Y
996 5%
Intel Core i7-7700HQ
1004 6%
...
2555 170%
0%
100%
Geekbench 5.5 - Geekbench 5.1 - 5.5 64 Bit Multi-Core
3858 points (7%)
Geekbench 5.0 - Geekbench 5.0 64 Bit Single-Core
989 points (4%)
Geekbench 5.0 - Geekbench 5.0 64 Bit Multi-Core
4181 points (13%)
Geekbench 4.4 - Geekbench 4.1 - 4.4 64 Bit Single-Core
4608 points (46%)
Geekbench 4.4 - Geekbench 4.1 - 4.4 64 Bit Multi-Core
16580 points (17%)
Mozilla Kraken 1.1 - Kraken 1.1 Total Score *
min: 901     avg: 914     median: 913.5 (1%)     max: 926 ms
Octane V2 - Octane V2 Total Score
min: 38704     avg: 39388     median: 39387.5 (33%)     max: 40071 Points
WebXPRT 3 - WebXPRT 3 Score
210 Points (39%)
- Range of benchmark values for this graphics card
red legend - Average benchmark values for this graphics card
* Smaller numbers mean a higher performance

v1.28
log 21. 16:50:23

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#2 not redirecting to Ajax server +0s ... 0s

#3 did not recreate cache, as it is less than 5 days old! Created at Thu, 19 Dec 2024 05:30:11 +0100 +0.001s ... 0.001s

#4 no comparison url found in template nbc.compare_page_2 needed +0.003s ... 0.004s

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#10 composed specs +0s ... 0.004s

#11 did output specs +0s ... 0.004s

#12 getting avg benchmarks for device 11433 +0.018s ... 0.023s

#13 got single benchmarks 11433 +0.008s ... 0.031s

#14 got avg benchmarks for devices +0s ... 0.031s

#15 min, max, avg, median took s +0.428s ... 0.458s

#16 no comparison url found in template nbc.compare_page_2 needed +0s ... 0.459s

#17 return log +0s ... 0.459s

Reviews for the Intel Core i5-8257U processor

Apple MacBook Pro 13 2019 2TB3: Intel Iris Plus Graphics 645, 13.30", 1.4 kg
  External Review » Apple MacBook Pro 13 2019 2TB3

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»移动处理器 对比
所有移动处理器的对比


»移动处理器 基准测试
所有已有笔记本电脑中使用的处理器的基准测试成绩 (桌面处理器或移动处理器)

Other CPUs of the series Coffee Lake

» Intel Core i9-9900KS
   8x 4 GHz - 5 GHz
» Intel Core i9-9900K
   8x 3.6 GHz - 5 GHz
» Intel Core i9-9980HK
   8x 2.4 GHz - 5 GHz
» Intel Core i7-9700K
   8x 3.6 GHz - 4.9 GHz
» Intel Core i9-9880H
   8x 2.3 GHz - 4.8 GHz
» Intel Core i7-8086K
   6x 3.7 GHz - 5 GHz
» Intel Core i7-8700K
   6x 3.7 GHz - 4.7 GHz
» Intel Xeon E-2176G
   6x 3.7 GHz - 4.7 GHz
» Intel Core i7-9700
   8x 3 GHz - 4.7 GHz
» Intel Core i9-8950HK
   6x 2.9 GHz - 4.8 GHz
» Intel Xeon E-2186M
   6x 2.9 GHz - 4.8 GHz
» Intel Xeon E-2276M
   6x 2.8 GHz - 4.7 GHz
» Intel Core i7-8700
   6x 3.2 GHz - 4.6 GHz
» Intel Core i5-9600K
   6x 3.7 GHz - 4.6 GHz
» Intel Core i7-9850H
   6x 2.6 GHz - 4.6 GHz
» Intel Core i7-9750H
   6x 2.6 GHz - 4.5 GHz
» Intel Core i9-9900T
   8x 2.1 GHz - 4.4 GHz
» Intel Xeon E-2176M
   6x 2.7 GHz - 4.4 GHz
» Intel Core i7-8850H
   6x 2.6 GHz - 4.3 GHz
» Intel Core i5-8600K
   6x 3.6 GHz - 4.3 GHz
» Intel Core i5-8500
   6x 3 GHz - 4.1 GHz
» Intel Core i7-8750H
   6x 2.2 GHz - 4.1 GHz
» Intel Core i5-8400
   6x 2.8 GHz - 4 GHz
» Intel Core i5-8500T
   6x 2.1 GHz - 3.5 GHz
» Intel Core i5-9400H
   4x 2.5 GHz - 4.3 GHz
» Intel Core i5-9300HF
   4x 2.4 GHz - 4.1 GHz
» Intel Core i5-9300H
   4x 2.4 GHz - 4.1 GHz
» Intel Core i5-8400H
   4x 2.5 GHz - 4.2 GHz
» Intel Core i7-8559U
   4x 2.7 GHz - 4.5 GHz
» Intel Core i5-8300H
   4x 2.3 GHz - 4 GHz
» Intel Core i5-9400F
   6x 2.9 GHz - 4.1 GHz
» Intel Core i3-9100F
   4x 3.6 GHz - 4.2 GHz
» Intel Core i7-8557U
   4x 1.7 GHz - 4.5 GHz
» Intel Core i5-8269U
   4x 2.6 GHz - 4.2 GHz
» Intel Core i5-8279U
   4x 2.4 GHz - 4.1 GHz
» Intel Core i5-8259U
   4x 2.3 GHz - 3.8 GHz
» Intel Core i5-8257U
   4x 1.4 GHz - 3.9 GHz
» Intel Core i5-8260U
   4x 1.6 GHz - 3.9 GHz
» Intel Core i3-8109U
   2x 3 GHz - 3.6 GHz
» Intel Core i3-8100H
   4x 3 GHz

Surrounding CPUs

+ Intel Core i7-6770HQ
   4x 2.6 GHz - 3.5 GHz
+ Intel Core i7-1160G7
   4x 2.1 GHz - 4.4 GHz
+ Intel Core i7-1065G7
   4x 1.3 GHz - 3.9 GHz
+ AMD Ryzen 7 3780U
   4x 2.3 GHz - 4 GHz
+ Intel Core i5-8259U
   4x 2.3 GHz - 3.8 GHz
» Intel Core i5-8257U
   4x 1.4 GHz - 3.9 GHz
- Intel Core i7-4900MQ
   4x 2.8 GHz - 3.8 GHz
- Intel Core i7-10610U
   4x 1.8 GHz - 4.9 GHz
- Intel Core i7-10510U
   4x 1.8 GHz - 4.9 GHz
- Intel Core i7-4960HQ
   4x 2.6 GHz - 3.8 GHz
- Intel Core i7-6700HQ
   4x 2.6 GHz - 3.5 GHz
Klaus Hinum (Update: 2020-07-28)