AMD Radeon HD 6620G + HD 7450M Dual Graphics

AMD的Radeon HD6620G+ HD7450M双显卡是一个集成了AMD Radeon HD6620G APU处理器的图形卡和一个专用的入门级的AMD Radeon HD7450M显卡交火组合的结合。这就是所谓的AMD双图形或不对称的交火，并使用AFR（交替帧渲染），呈现不同的帧上的两个图形核心。因此，组合也有从微观口吃（两幅图像之间不同的空间导致口吃，虽然足够高的帧率流畅的游戏只有一个GPU）。双显卡解决方案的性能在很大程度上取决于驱动程序支持的游戏。在一些游戏中的表现，甚至可能降低10％-15％，相比只使用APU的图形卡。目前（2011年）唯一的DirectX 10和11的图形模式的支持，因此，较低的设置和旧的游戏没有加速。由于微口吃和性能问题，双显卡可施加更多的问题比带来的性能提升。两片显卡的PureVideo HD（UVD3）或OpenCL支持的功能，如类似。由于两个显卡渲染帧时，功耗是明显高于使用只有一个GPU。

AMD Radeon HD 7400M Series

Radeon HD 6620G + HD 7670M Dual Graphics	880 @ 0.4 GHz	? Bit @ 1800 MHz
Radeon HD 6620G + HD 7450M Dual Graphics	560 @ 0.4 GHz	? Bit @ 1800 MHz
Radeon HD 6520G + HD 7450M Dual Graphics	480 @ 0.4 GHz	64 Bit @ 1800 MHz
Radeon HD 6480G + HD 7450M Dual Graphics	400 @ 0.59 GHz	64 Bit @ - / 1800 MHz

Architecture

Terascale 2

Pipelines

560 - unified

Core Speed

400 / 700 MHz

Memory Speed

1800 MHz

Shared Memory

yes

API

DirectX 11, Shader 5.0

technology

40 nm

Date of Announcement

08.02.2012

Benchmarks

- Range of benchmark values for this graphics card

- Average benchmark values for this graphics card
* Smaller numbers mean a higher performance

For more games that might be playable and a list of all games and graphics cards visit our Gaming List

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Notebook reviews with AMD Radeon HD 6620G + HD 7450M Dual Graphics graphics card

HP Pavilion G6-1331sa: AMD A8-3520M, 15.60", 2.6 kg
External Review » HP Pavilion G6-1331sa

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» Comparison of GPUs
Detailed list of all laptop GPUs sorted by class and performance.

» Benchmark List
Sort and restrict laptop GPUs based on performance in synthetic benchmarks.

» Notebook Gaming List
Playable games for each graphics card and their average FPS results.

Class 1

NVIDIA GeForce RTX 4090 Laptop GPU

NVIDIA RTX 5000 Ada Generation Laptop GPU

Radeon RX 7900M

NVIDIA GeForce RTX 4080 Laptop GPU

NVIDIA RTX 4000 Ada Generation Laptop GPU

NVIDIA RTX 3500 Ada Generation Laptop GPU

GeForce RTX 3080 Ti Laptop GPU

NVIDIA GeForce RTX 4070 Laptop GPU

NVIDIA RTX 3000 Ada Generation Laptop GPU

RTX A5500 Laptop GPU

GeForce RTX 3080 Laptop GPU

Radeon RX 6850M XT

GeForce RTX 3070 Ti Laptop GPU

RTX A4500 Laptop GPU

RTX A5000 Laptop GPU

NVIDIA GeForce RTX 4060 Laptop GPU

NVIDIA RTX 2000 Ada Generation Laptop GPU

Quadro RTX 6000 (Laptop)

Radeon RX 6800M

GeForce RTX 2080 Super Mobile

GeForce RTX 3070 Laptop GPU

RTX A4000 Laptop GPU *

Class 2

GeForce RTX 2080 Mobile

Radeon RX 6700M

M3 Max 30-Core GPU *

Quadro RTX 5000 (Laptop)

Radeon RX 7600M *

M2 Max 30-Core GPU *

GeForce RTX 3060 Laptop GPU

M1 Max 32-Core GPU *

Radeon RX 7600S

GeForce RTX 2070 Super Mobile

GeForce RTX 2080 Super Max-Q

RTX A3000 Laptop GPU

M1 Max 24-Core GPU *

A770M *

GeForce RTX 2070 Mobile

Quadro RTX 5000 Max-Q

GeForce RTX 2080 Max-Q

Radeon RX 5700M *

GeForce GTX 1080 Mobile

Quadro RTX 4000 (Laptop)

M3 Pro 14-Core GPU *

M2 Pro 16-Core GPU *

M1 Pro 16-Core GPU *

Radeon PRO W6600M *

GeForce RTX 2070 Super Max-Q

Quadro RTX 4000 Max-Q *

M1 Pro 14-Core GPU *

GeForce RTX 2070 Max-Q *

Radeon RX 6600S *

Quadro P5200

Quadro RTX 3000 (Laptop) *

GeForce RTX 2060 Mobile

Quadro RTX 3000 Max-Q *

GeForce GTX 1080 Max-Q

GeForce GTX 1070 Mobile

GeForce RTX 2060 Max-Q *

Quadro P4200

NVIDIA GeForce RTX 4050 Laptop GPU

Nvidia RTX 1000 Ada Generation Laptop GPU

A730M *

GeForce GTX 1660 Ti Mobile

GeForce RTX 3050 Ti Laptop GPU

GeForce RTX 3050 6GB Laptop GPU

A570M *

RTX A1000 Laptop GPU

GeForce GTX 1070 Max-Q

A550M *

Quadro P5000 Max-Q *

GeForce RTX 3050 A Laptop GPU

GeForce RTX 3050 4GB Laptop GPU

Nvidia RTX 500 Ada Generation Laptop GPU

A530M *

GeForce GTX 1660 Ti Max-Q

GeForce GTX 980 (Laptop)

Quadro M5500

Quadro P4000

Quadro T2000 (Laptop) *

GeForce GTX 1060 Mobile

GeForce GTX 1650 Ti Mobile

A370M *

Radeon RX 5500M

Radeon Pro 5500M *

Quadro P4000 Max-Q

Quadro P3200

Radeon RX 580X (Laptop) *

Radeon RX 580 (Laptop)

Radeon RX 6450M *

GeForce RTX 2050 Mobile

GeForce GTX 1650 Mobile

Radeon Pro 5300M

Radeon RX 5300M

Quadro P3000

GeForce GTX 1060 Max-Q

Quadro P3000 Max-Q *

GeForce GTX 1650 Ti Max-Q *

Quadro T2000 Max-Q *

Radeon Pro WX 7100 *

Radeon RX 570X (Laptop) *

Radeon RX 570 (Laptop) *

Radeon RX 470 (Laptop) *

GeForce GTX 1650 Max-Q *

T1200 Laptop GPU *

Radeon 890M *

Quadro T1000 (Laptop) *

Quadro T1000 Max-Q *

A310 *

A350M *

Class 3

M4 8-Core GPU *

GeForce GTX 980M

Vega M GH

Quadro M5000M

Radeon Pro Vega 20

Radeon 880M *

Adreno 830 *

Adreno X1-85 4.6 TFLOPS *

Radeon 780M *

GeForce MX550

GeForce GTX 1050 Ti Mobile

Radeon 680M

Quadro P2000

Quadro P2000 Max-Q

Quadro M4000M

GeForce GTX 970M

T500 Laptop GPU *

GeForce MX450 *

Radeon R9 M395X

GeForce GTX 1050 Ti Max-Q *

Radeon Pro Vega 16

Vega M GL / 870

WX Vega M GL

Radeon R9 M485X

Quadro M3000M

GeForce GTX 1050 Mobile

FirePro W7170M

Radeon R9 M395

GeForce GTX 1050 Max-Q *

Radeon 760M *

Adreno X1-85 3.8 TFLOPS *

Radeon Radeon Steam Deck 8CU

Radeon 660M

Radeon Pro WX 4150 *

GeForce GTX 965M

Radeon RX 560X (Laptop)

Radeon RX 560 (Laptop)

Quadro M2200

Radeon RX 460 (Laptop)

Quadro P1000

Radeon R9 M390

Xe MAX

Radeon Pro 560X

Radeon Pro 560

Radeon Pro 460

Radeon Pro WX 4130 *

Iris Xe G7 96EUs

GeForce MX350

GeForce GTX 960M

Quadro M1200

Quadro P620 *

Radeon RX 550X (Laptop)

Radeon RX 550 (Laptop)

Radeon RX 640

Radeon Pro WX 3200 *

Radeon Pro 555X

Radeon Pro 555

Radeon Pro 455

Quadro P600

Quadro M2000M

Radeon RX 540X *

Radeon Pro WX 2100 *

Radeon RX 540 *

Radeon Pro WX 3100 *

GeForce GTX 950M

Radeon Pro 450

Adreno X1-45 2.1 TFLOPS *

Radeon 630

Radeon 540X *

Radeon R9 M470X *

Radeon R9 M385X

Quadro P520

Quadro M1000M

Quadro M620 *

GeForce 945M

Quadro P500 *

UHD Graphics 64EUs

Iris Plus Graphics G7 (Ice Lake 64 EU) *

Vega 10 *

Iris Pro Graphics P580

Iris Pro Graphics 580

Adreno X1-45 1.7 TFLOPS *

Radeon R9 M470 *

FirePro W5170M *

Radeon R9 M370X

Vega 9

FirePro W5130M

UHD Graphics Xe G4 48EUs *

UHD Graphics 32EUs

UHD Graphics Xe 32EUs (Tiger Lake-H) *

UHD Graphics 750

Radeon 740M *

UHD Graphics 730

GeForce MX230

Vega 8 *

Vega 7

Radeon R7 M465

Iris Pro Graphics 6200

GeForce MX130

GeForce 940MX

Quadro M520

Vega 8

GeForce 940M

Iris Plus Graphics G4 (Ice Lake 48 EU)

GeForce 930MX

Quadro M600M

FirePro W4190M

Radeon R9 M375

Iris Plus Graphics 655

Radeon R7 M445

Quadro M500M

Iris Plus Graphics 650

GeForce 930M

Iris Graphics 550

Radeon 530

Radeon 625

Vega 6 *

Iris Plus Graphics 645

GeForce MX110 *

Iris Plus Graphics 640

GeForce 920MX

Iris Graphics 540

UHD Graphics 24EUs (Alder Lake-N) *

Radeon R7 (Bristol Ridge) *

Radeon R7 M460 *

Radeon R7 M360

GeForce 920M

Radeon R8 M445DX

Radeon 620

Radeon R7 M440

Radeon R7 M340

Radeon 520

Radeon 610

Radeon Graphics (Ryzen 7000)

Radeon 610M *

Vega 6 *

Vega 5 *

UHD Graphics G1 (Ice Lake 32 EU)

UHD Graphics Xe 16EUs (Tiger Lake-H) *

HD Graphics 530

Radeon R5 (Bristol Ridge)

UHD Graphics 620

HD Graphics 620

Adreno 690 *

Adreno 685 *

Adreno 680 *

Radeon R5 M330

Radeon R5 M430

Vega 3 *

GeForce 910M

HD Graphics 520

Iris Graphics 6100

Class 4

Radeon R5 M320 *

Radeon R5 M315 *

Radeon R5 M420 *

Vega 2 *

Radeon R5 (Stoney Ridge)

HD Graphics 6000

UHD Graphics (Jasper Lake 32 EU) *

UHD Graphics 617

UHD Graphics 615

UHD Graphics (Jasper Lake 24 EU) *

HD Graphics 615

HD Graphics 515

UHD Graphics 610

HD Graphics 610

HD Graphics 510

Radeon HD 6620G + HD 7450M Dual Graphics *

UHD Graphics (Jasper Lake 16 EU)

UHD Graphics 605

HD Graphics 505

Radeon R4 (Stoney Ridge)

Radeon R2 (Stoney Ridge)

VideoCore VII *

UHD Graphics 600

HD Graphics 500

HD Graphics 405 (Braswell)

HD Graphics (Braswell)

HD Graphics 400 (Braswell)

* Approximate position of the graphics adapter

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Klaus Hinum (Update: 2016-01-26)