AMD Radeon HD 7620G vs AMD Radeon HD 7420G

AMD Radeon HD 7620G

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The AMD Radeon HD 7620G or HD7620G is a processor graphics card in the Trinity APUs from AMD. It is built into the low voltage 25 Watt  A10 versions (e.g. A10-4655M) and offers all 384 Radeon cores. However, the base and Turbo clock rate was reduced from 497/686 in the 7660G to 360/497 MHz in the 7620G. The architecture is based on the VLIW4 architecture of the Radeon HD 6900 series desktop graphics card and doesn't offer a dedicated graphics memory.

Trinity got its name due to the fact that it consists out of three different architecture parts. The CPU cores are based on the Piledriver architecture (Bulldozer successor), the GPU cores on Northern Islands GPU cores (HD 6900 desktop series) and the video processing engine and multi-display connectivity from the new Southern Islands GPU architecture (HD 7900 series).

The integrated UVD3 video decoder (Avivo HD) allows the full decoding of Multi-View Codec (MVC), MPEG-4 Part 2 (DivX, xVid), MPEG-4 AVC/H.264 and Adobe Flash HD videos.

The performance (with dual channel memory) is in the mid range of HD 6500M series cards. Most games of 2012/2013 will only run fluently in (very) low settings.

The APU is still manufactured in 32nm and, as the low voltage parts are clasified at 25 Watt, good suited for small laptops (but not ultrathin, as the HD 7500G is intended for these subnotebooks).

AMD Radeon HD 7420G

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The AMD Radeon HD 7420G or HD7420G is a processor graphics card in the Trinity APUs from AMD (A4-4300M). It is a low-range version with a reduced shader count / clock speed and will be featured in the A4 series. It should be based on the VLIW4 architecture of the Radeon HD 6900 series desktop graphics card and most likely wont offer a dedicated graphics memory.

Trinity got its name due to the fact that it consists out of three different architecture parts. The CPU cores are based on the Piledriver architecture (Bulldozer successor), the GPU cores on Northern Islands GPU cores (HD 6900 desktop series) and the video processing engine and multi-display connectivity from the new Southern Islands GPU architecture (HD 7900 series).

The integrated UVD3 video decoder (Avivo HD) allows the full decoding of Multi-View Codec (MVC), MPEG-4 Part 2 (DivX, xVid), MPEG-4 AVC/H.264 and Adobe Flash HD videos.

The performance is somewhat below the Llano-based HD 6620G or in range of slower versions of the HD Graphics 4000. Most modern games of 2013/2014 won't run fluently even in (very) low settings; however, older and less demanding games can be played smoothly.

The APU is still manufactured in 32nm and as most A4 series parts should be classified with a 35 Watt TDP, the HD 7420G is best suited for laptops of 13-14-inch an up.

AMD Radeon HD 7620GAMD Radeon HD 7420G
ManufacturerAMDAMD
Radeon HD 7000G Series
Radeon HD 7660G (compare) 384 @ 497 - 686 (Boost) MHz
Radeon HD 7620G 384 @ 360 - 497 (Boost) MHz
Radeon HD 7640G (compare) 256 @ 497 - 686 (Boost) MHz
Radeon HD 7600G (compare) 384 @ 320 - 424 (Boost) MHz
Radeon HD 7500G (compare) 256 @ 327 - 424 (Boost) MHz
Radeon HD 7520G (compare) 192 @ 497 - 686 (Boost) MHz
Radeon HD 7420G 128 @ 480 - 655 (Boost) MHz
Radeon HD 7400G (compare) 192 @ 327 - 423 (Boost) MHz
Radeon HD 7660G (compare) 384 @ 497 - 686 (Boost) MHz
Radeon HD 7620G 384 @ 360 - 497 (Boost) MHz
Radeon HD 7640G (compare) 256 @ 497 - 686 (Boost) MHz
Radeon HD 7600G (compare) 384 @ 320 - 424 (Boost) MHz
Radeon HD 7500G (compare) 256 @ 327 - 424 (Boost) MHz
Radeon HD 7520G (compare) 192 @ 497 - 686 (Boost) MHz
Radeon HD 7420G 128 @ 480 - 655 (Boost) MHz
Radeon HD 7400G (compare) 192 @ 327 - 423 (Boost) MHz
CodenameTrinityTrinity
ArchitectureTerascale 3Terascale 3
384 - 128 -
Core360 - 497 (Boost) MHz480 - 655 (Boost) MHz
yesyes
DirectXDirectX 11, 5.0DirectX 11, 5.0
Technology32 nm32 nm
Size
Introduced15.05.2012 01.06.2012
CPUGPU Base SpeedGPU Boost / Turbo
AMD A10-4655M4 x 2000 MHz, 25 W360 MHz497 MHz

3DMark - Cloud Gate Standard Score 1280x720
3064 Points (5%)
1963 Points (3%)
3DMark - Cloud Gate Standard Graphics 1280x720
5378 Points (3%)
2717 Points (1%)
3DMark - Fire Strike Score 1920x1080
659 Points (2%)
332 Points (1%)
3DMark - Fire Strike Graphics 1920x1080
716 Points (2%)
343 Points (1%)
3DMark - Ice Storm Standard Graphics 1280x720
29155 Points (4%)
32636 Points (4%)
3DMark 11 - Performance 1280x720
1030 points (3%)
501 points (1%)
3DMark 11 - Performance GPU 1280x720
948 points (2%)
453 points (1%)
3DMark Vantage
P Result 1280x1024 + AMD Radeon HD 7620G
P Result 1280x1024 + AMD Radeon HD 7420G
P GPU no PhysX 1280x1024 + AMD Radeon HD 7620G
P GPU no PhysX 1280x1024 + AMD Radeon HD 7420G
3DMark 03 - Standard 1024x768
10934 Points (6%)
3DMark 06 + AMD Radeon HD 7620G
Standard 1280x1024 + AMD Radeon HD 7420G
Windows 7 Experience Index - Gaming graphics
6 points (86%)
Windows 7 Experience Index - Graphics
4.9 points (70%)
Cinebench R10 Shading 32Bit + AMD Radeon HD 7620G
Shading 32Bit + AMD Radeon HD 7420G
Cinebench R11.5 OpenGL 64Bit + AMD Radeon HD 7620G
OpenGL 64Bit + AMD Radeon HD 7420G
Cinebench R15
OpenGL 64Bit + AMD Radeon HD 7420G
Ref. Match 64Bit + AMD Radeon HD 7420G
LuxMark v2.0 64Bit - Room GPUs-only
35 Samples/s (1%)
LuxMark v2.0 64Bit - Sala GPUs-only
67 Samples/s (1%)
ComputeMark v2.1 - Normal, Score 1024x600
578 Points (2%)
332 Points (1%)

Average Benchmarks AMD Radeon HD 7620G → 100%

Average Benchmarks AMD Radeon HD 7420G → 77%

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* Smaller numbers mean a higher performance
1 This benchmark is not used for the average calculation

Dirt 4

Dirt 4

2017
low 1280x720
Radeon HD 7420G:
15.5  fps
Radeon HD 7420G:
»
low 1280x720
Radeon HD 7420G:
42.4  fps
med. 1366x768
Radeon HD 7420G:
26.6  fps
Radeon HD 7420G:
»
low 1366x768
Radeon HD 7420G:
26.1  fps
med. 1366x768
Radeon HD 7420G:
18  fps
Radeon HD 7420G:
»
low 1024x768
Radeon HD 7420G:
23.3  fps
med. 1366x768
Radeon HD 7420G:
18.3  fps
Radeon HD 7420G:
»
low 1280x720
Radeon HD 7420G:
33.8  fps
med. 1366x768
Radeon HD 7420G:
17.3  fps
Radeon HD 7420G:
»
low 1024x768
Radeon HD 7420G:
38.6  fps
med. 1366x768
Radeon HD 7420G:
14.6  fps
Radeon HD 7420G:
»
low 1024x768
Radeon HD 7420G:
9.5  fps
med. 1366x768
Radeon HD 7420G:
8.6  fps
Radeon HD 7420G:
»
Sims 4

Sims 4

2014
low 1024x768
Radeon HD 7420G:
88.7  fps
med. 1366x768
Radeon HD 7420G:
19.7  fps
Radeon HD 7420G:
»
F1 2013

F1 2013

2013
low 1024x768
Radeon HD 7420G:
18  fps
med. 1366x768
Radeon HD 7420G:
15  fps
Radeon HD 7420G:
»
low 1024x768
Radeon HD 7420G:
23.3  fps
med. 1366x768
Radeon HD 7420G:
16.6  fps
Radeon HD 7420G:
»
low 1280x720
Radeon HD 7420G:
11.7  fps
Radeon HD 7420G:
»
low 1024x768
Radeon HD 7420G:
8.2  fps
Radeon HD 7420G:
»
GRID 2

GRID 2

2013
low 1024x768
Radeon HD 7420G:
28.9  fps
med. 1366x768
Radeon HD 7420G:
17.2  fps
Radeon HD 7420G:
»
low 1024x768
Radeon HD 7420G:
10.3  fps
Radeon HD 7420G:
»
low 1280x720
Radeon HD 7420G:
26.1  fps
med. 1366x768
Radeon HD 7420G:
13  fps
Radeon HD 7420G:
»
low 1024x768
Radeon HD 7420G:
91.5  fps
med. 1366x768
Radeon HD 7420G:
28.2  fps
high 1366x768
Radeon HD 7420G:
14.9  fps
Radeon HD 7420G:
»
SimCity

SimCity

2013
low 1024x768
100%
Radeon HD 7620G:
21  fps
med. 1366x768
100%
Radeon HD 7620G:
15  fps
high 1366x768
100%
Radeon HD 7620G:
12  fps
Radeon HD 7620G:
»
low 1024x768
Radeon HD 7420G:
28.7  fps
med. 1366x768
Radeon HD 7420G:
14.9  fps
Radeon HD 7420G:
»
low 1024x768
Radeon HD 7420G:
49.6  fps
med. 1366x768
Radeon HD 7420G:
18.4  fps
Radeon HD 7420G:
»
Far Cry 3

Far Cry 3

2012
low 1024x768
Radeon HD 7420G:
14  fps
med. 1366x768
Radeon HD 7420G:
11  fps
high 1366x768
Radeon HD 7420G:
10  fps
Radeon HD 7420G:
»
med. 1366x768
Radeon HD 7420G:
10  fps
high 1366x768
Radeon HD 7420G:
8.5  fps
Radeon HD 7420G:
»
low 1024x768
Radeon HD 7420G:
12  fps
med. 1366x768
Radeon HD 7420G:
10  fps
high 1366x768
Radeon HD 7420G:
4  fps
Radeon HD 7420G:
»
low 1024x768
Radeon HD 7420G:
14  fps
med. 1366x768
Radeon HD 7420G:
12  fps
high 1366x768
Radeon HD 7420G:
9  fps
Radeon HD 7420G:
»
Fifa 13

Fifa 13

2012
low 1024x768
100%
Radeon HD 7620G:
50  fps
164%
Radeon HD 7420G:
82  fps
med. 1366x768
100%
Radeon HD 7620G:
41  fps
132%
Radeon HD 7420G:
54  fps
high 1366x768
100%
Radeon HD 7620G:
40  fps
85%
Radeon HD 7420G:
34  fps
ultra 1920x1080
100%
Radeon HD 7620G:
37  fps
Radeon HD 7620G:
»
Radeon HD 7420G:
»
F1 2012

F1 2012

2012
low 1024x768
Radeon HD 7420G:
19  fps
med. 1366x768
Radeon HD 7420G:
18  fps
high 1366x768
Radeon HD 7420G:
15  fps
Radeon HD 7420G:
»
low 1024x768
Radeon HD 7420G:
24  fps
med. 1366x768
Radeon HD 7420G:
18  fps
high 1366x768
Radeon HD 7420G:
11  fps
Radeon HD 7420G:
»
low 1024x768
Radeon HD 7420G:
52  fps
med. 1366x768
Radeon HD 7420G:
39  fps
high 1366x768
Radeon HD 7420G:
31  fps
Radeon HD 7420G:
»
med. 1366x768
Radeon HD 7420G:
22  fps
Radeon HD 7420G:
»
low 1024x768
Radeon HD 7420G:
11  fps
med. 1366x768
Radeon HD 7420G:
6  fps
high 1366x768
Radeon HD 7420G:
3  fps
Radeon HD 7420G:
»
low 1024x768
Radeon HD 7420G:
12  fps
med. 1366x768
Radeon HD 7420G:
11  fps
high 1366x768
Radeon HD 7420G:
8  fps
Radeon HD 7420G:
»
low 1024x768
Radeon HD 7420G:
39.7 42 ~ 41 fps
med. 1366x768
Radeon HD 7420G:
24 26.4 ~ 25 fps
high 1366x768
Radeon HD 7420G:
13 21.4 ~ 17 fps
Radeon HD 7420G:
»
low 1024x768
Radeon HD 7420G:
16  fps
med. 1366x768
Radeon HD 7420G:
10  fps
high 1366x768
Radeon HD 7420G:
8  fps
Radeon HD 7420G:
»
low 1280x720
Radeon HD 7420G:
21  fps
high 1366x768
Radeon HD 7420G:
16  fps
Radeon HD 7420G:
»
Alan Wake

Alan Wake

2012
low 1024x768
Radeon HD 7420G:
16  fps
med. 1366x768
Radeon HD 7420G:
10  fps
Radeon HD 7420G:
»
Anno 2070

Anno 2070

2011
low 1024x768
Radeon HD 7420G:
39.9 45 ~ 42 fps
med. 1366x768
Radeon HD 7420G:
15.8 17 ~ 16 fps
high 1366x768
Radeon HD 7420G:
12  fps
Radeon HD 7420G:
»
low 1280x720
Radeon HD 7420G:
22.3 25 ~ 24 fps
med. 1366x768
Radeon HD 7420G:
14.3 16 ~ 15 fps
high 1366x768
Radeon HD 7420G:
10 11 ~ 11 fps
Radeon HD 7420G:
»
low 1024x768
Radeon HD 7420G:
16  fps
med. 1366x768
Radeon HD 7420G:
11  fps
high 1366x768
Radeon HD 7420G:
7  fps
Radeon HD 7420G:
»
low 1024x768
Radeon HD 7420G:
42  fps
high 1366x768
Radeon HD 7420G:
15  fps
Radeon HD 7420G:
»
Total War: Shogun 2

Total War: Shogun 2

2011
low 1024x768
Radeon HD 7420G:
55  fps
med. 1280x720
Radeon HD 7420G:
12  fps
Radeon HD 7420G:
»
low 800x600
Radeon HD 7420G:
31  fps
med. 1024x768
Radeon HD 7420G:
23  fps
Radeon HD 7420G:
»
low 1024x768
Radeon HD 7420G:
100  fps
med. 1360x768
Radeon HD 7420G:
22  fps
high 1360x768
Radeon HD 7420G:
17  fps
Radeon HD 7420G:
»
low 800x600
Radeon HD 7420G:
27  fps
med. 1360x768
Radeon HD 7420G:
16  fps
Radeon HD 7420G:
»
low 1024x768
Radeon HD 7420G:
32  fps
med. 1366x768
Radeon HD 7420G:
25  fps
high 1366x768
Radeon HD 7420G:
16  fps
Radeon HD 7420G:
»
Crysis - GPU Benchmark

Crysis - GPU Benchmark

2007
low 1024x768
Radeon HD 7420G:
35  fps
med. 1024x768
Radeon HD 7420G:
15  fps
Radeon HD 7420G:
»
Crysis - CPU Benchmark

Crysis - CPU Benchmark

2007
low 1024x768
Radeon HD 7420G:
21  fps
med. 1024x768
Radeon HD 7420G:
13  fps
Radeon HD 7420G:
»

Average Gaming AMD Radeon HD 7620G → 100%

Average Gaming AMD Radeon HD 7420G → 127%

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Redaktion, 2017-09- 8 (Update: 2017-09-11)