AMD Radeon HD 7400G vs AMD Radeon HD 7620G

AMD Radeon HD 7400G

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The AMD Radeon HD 7400G or HD7400G is a processor graphics card in the Trinity APUs from AMD (A4-4355M). It is a low-range version with a reduced shader count / clock speed and will be featured in the A4 series (ULV). It should be based on the VLIW4 architecture of the Radeon HD 6900 series desktop graphics card and 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 in the range of the Llano-based HD 6480G and the Intel HD Graphics (Haswell). Older and less demanding games will run fluently in (very) low settings and resolutions.

The APU is still manufactured in 32nm and, as all A4 ULV parts, should be classified with a 17 Watt TDP. Therefore, the HD 7400G is best suited for small laptops of 11 inch an up.

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 7400GAMD Radeon HD 7620G
ManufacturerAMDAMD
Radeon HD 7000G Series
Radeon HD 7660G compare 384 @ 497 - 686 MHz
Radeon HD 7620G 384 @ 360 - 497 MHz
Radeon HD 7640G compare 256 @ 497 - 686 MHz
Radeon HD 7600G compare 384 @ 320 - 424 MHz
Radeon HD 7500G compare 256 @ 327 - 424 MHz
Radeon HD 7520G compare 192 @ 497 - 686 MHz
Radeon HD 7420G compare 128 @ 480 - 655 MHz
Radeon HD 7400G 192 @ 327 - 423 MHz
Radeon HD 7660G compare 384 @ 497 - 686 MHz
Radeon HD 7620G 384 @ 360 - 497 MHz
Radeon HD 7640G compare 256 @ 497 - 686 MHz
Radeon HD 7600G compare 384 @ 320 - 424 MHz
Radeon HD 7500G compare 256 @ 327 - 424 MHz
Radeon HD 7520G compare 192 @ 497 - 686 MHz
Radeon HD 7420G compare 128 @ 480 - 655 MHz
Radeon HD 7400G 192 @ 327 - 423 MHz
CodenameTrinityTrinity
ArchitectureTerascale 3Terascale 3
Pipelines192 - unified384 - unified
Core Speed327 - 423 (Boost) MHz360 - 497 (Boost) MHz
Shared Memoryyesyes
DirectXDirectX 11, Shader 5.0DirectX 11, Shader 5.0
technology32 nm32 nm
Notebook Sizemedium sizedmedium sized
Date of Announcement01.09.2012 15.05.2012
CPU in Radeon HD 7400GGPU Base SpeedGPU Boost / Turbo
AMD A4-4355M2 x 1900 MHz, 17 W327 MHz424 MHz
CPU in Radeon HD 7620GGPU Base SpeedGPU Boost / Turbo
AMD A10-4655M4 x 2000 MHz, 25 W360 MHz497 MHz

Benchmarks

Performance Rating - 3DMark 11 + Fire Strike + Time Spy
2.8 pt (3%)
3DMark - Cloud Gate Standard Score 1280x720
1586 Points (4%)
3064 Points (8%)
3DMark - Cloud Gate Standard Graphics 1280x720
2424 Points (3%)
5378 Points (6%)
3DMark - Fire Strike Score 1920x1080
245 Points (2%)
659 Points (6%)
3DMark - Fire Strike Graphics 1920x1080
327 Points (2%)
716 Points (5%)
3DMark - Ice Storm Standard Graphics 1280x720
29730 Points (4%)
29155 Points (4%)
3DMark 11 - Performance 1280x720
454 points (3%)
1030 points (6%)
3DMark 11 - Performance GPU 1280x720
415 points (2%)
948 points (5%)
3DMark Vantage
P Result 1280x1024 + AMD Radeon HD 7620G
P GPU no PhysX 1280x1024 + AMD Radeon HD 7620G
3DMark 03 - Standard 1024x768
8371 Points (6%)
3DMark 05 - Standard 1024x768
4515 Points (12%)
3DMark 06 Standard 1280x1024 + AMD Radeon HD 7400G
Score + AMD Radeon HD 7620G
Cinebench R10 Shading 32Bit + AMD Radeon HD 7400G
Shading 32Bit + AMD Radeon HD 7620G
Cinebench R11.5 OpenGL 64Bit + AMD Radeon HD 7400G
OpenGL 64Bit + AMD Radeon HD 7620G
ComputeMark v2.1 - Normal, Score 1024x600
316 Points (3%)
578 Points (6%)

Average Benchmarks AMD Radeon HD 7400G → 100% n=11

Average Benchmarks AMD Radeon HD 7620G → 195% n=11

- Range of benchmark values for this graphics card
- Average benchmark values for this graphics card
* Smaller numbers mean a higher performance
1 This benchmark is not used for the average calculation

Game Benchmarks

The following benchmarks stem from our benchmarks of review laptops. The performance depends on the used graphics memory, clock rate, processor, system settings, drivers, and operating systems. So the results don't have to be representative for all laptops with this GPU. For detailed information on the benchmark results, click on the fps number.

low 1280x720
100%
Radeon HD 7400G:
23  fps
med. 1366x768
100%
Radeon HD 7400G:
11  fps
high 1366x768
100%
Radeon HD 7400G:
9  fps
SimCity

SimCity

2013
low 1024x768
100%
Radeon HD 7400G:
24  fps
88%
Radeon HD 7620G:
21  fps
med. 1366x768
100%
Radeon HD 7400G:
9  fps
167%
Radeon HD 7620G:
15  fps
high 1366x768
100%
Radeon HD 7400G:
6  fps
200%
Radeon HD 7620G:
12  fps
low 1024x768
100%
Radeon HD 7400G:
27  fps
med. 1366x768
100%
Radeon HD 7400G:
14  fps
high 1366x768
100%
Radeon HD 7400G:
8.6  fps
Crysis 3

Crysis 3

2013
low 1024x768
100%
Radeon HD 7400G:
11  fps
med. 1366x768
100%
Radeon HD 7400G:
7  fps
low 1024x768
100%
Radeon HD 7400G:
43  fps
med. 1366x768
100%
Radeon HD 7400G:
17  fps
high 1366x768
100%
Radeon HD 7400G:
13  fps
low 1024x768
100%
Radeon HD 7400G:
9  fps
med. 1366x768
100%
Radeon HD 7400G:
8  fps
low 1024x768
100%
Radeon HD 7400G:
15  fps
med. 1366x768
100%
Radeon HD 7400G:
9  fps
low 1024x768
100%
Radeon HD 7400G:
20  fps
med. 1366x768
100%
Radeon HD 7400G:
16  fps
high 1366x768
100%
Radeon HD 7400G:
14  fps
Fifa 13

Fifa 13

2012
low 1024x768
100%
Radeon HD 7400G:
41  fps
122%
Radeon HD 7620G:
50  fps
med. 1366x768
100%
Radeon HD 7400G:
30  fps
137%
Radeon HD 7620G:
41  fps
high 1366x768
100%
Radeon HD 7400G:
22  fps
182%
Radeon HD 7620G:
40  fps
ultra 1920x1080
Radeon HD 7620G:
37  fps
low 1024x768
100%
Radeon HD 7400G:
21  fps
med. 1366x768
100%
Radeon HD 7400G:
12  fps
low 1024x768
100%
Radeon HD 7400G:
19  fps
med. 1366x768
100%
Radeon HD 7400G:
14  fps
low 1024x768
100%
Radeon HD 7400G:
34  fps
med. 1366x768
100%
Radeon HD 7400G:
23  fps
high 1366x768
100%
Radeon HD 7400G:
19  fps
low 1280x720
100%
Radeon HD 7400G:
18  fps
high 1366x768
100%
Radeon HD 7400G:
13  fps
Anno 2070

Anno 2070

2011
low 1024x768
100%
Radeon HD 7400G:
33  fps
med. 1366x768
100%
Radeon HD 7400G:
13  fps
low 1280x720
100%
Radeon HD 7400G:
19  fps
med. 1366x768
100%
Radeon HD 7400G:
13  fps
low 1024x768
100%
Radeon HD 7400G:
34  fps
high 1366x768
100%
Radeon HD 7400G:
14  fps
Mafia 2

Mafia 2

2010
low 800x600
100%
Radeon HD 7400G:
14.6  fps
med. 1024x768
100%
Radeon HD 7400G:
12  fps
low 1024x768
100%
Radeon HD 7400G:
96  fps
med. 1360x768
100%
Radeon HD 7400G:
20  fps
high 1360x768
100%
Radeon HD 7400G:
13  fps
low 1024x768
100%
Radeon HD 7400G:
25  fps
med. 1366x768
100%
Radeon HD 7400G:
20  fps
high 1366x768
100%
Radeon HD 7400G:
13  fps

Average Gaming AMD Radeon HD 7400G → 100%

Average Gaming AMD Radeon HD 7620G → 149%

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

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