ATI Radeon HD 4270 vs ATI Radeon HD 4100

ATI Radeon HD 4270

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The AMD ATI Radeon HD 4270 (sometimes also ATI Mobility Radeon HD 4270 called) is an onboard (shared Memory) graphics chip in the RS880M chipset. It is based on the HD 3400 graphics core and features the UVD 2 video engine to decode HD videos (Avivo HD - can decode two HD streams simultaneously). Compared to the HD 4250, the 4270 is a higher clocked version.

Compared to the old HD 3200, the 4270 supports DirectX 10.1 and features the UVD2 video decoder.

The UVD 2 video engine is able to decode HD videos (H.264 and VC-1 in all stages, MPEG-2 only IDCT) and allows the fluent playback of HD videos (e.g. Blu-ray) with a relative low CPU utilization (called Avivo HD). The HD 3200 was the first onboard graphics card that allows the fluent playback of Blu-ray videos. The UVD 2 in the HD 4270 supports the decoding of two video stream and therefore got a full Blu-Ray support.

The graphics core of the HD 4270 stems from the Mobility Radeon HD 3400 series and is therefore DirectX 10.1 capable. Because of the missing graphics memory, the performance of the card is a bit lower than of the HD 34x0. Theroretically, dedicated memory chips can be directly added to the chip, making it a dedicated graphics card. Because of pricing it is unclear if any manufacturer will add memory to the chip.

Current (and less demanding games) like Starcraft 2 or Left4Dead are playable in low details in conjunction with a fast CPU. Furthermore older games like Doom 3 or Quake 4 should also be playable with slower processors. Compared to older onboad graphic chips (e.g., GMA 4500MHD), the HD 4270 is much faster. The new Intel HD Graphics in the Core ix Arrandale CPUs, offers a similar performance, but the driver support by AMD should be better.

ATI Radeon HD 4100

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The AMD ATI Mobility Radeon HD 4100 or just Radeon 4100 is an integrated graphics card (shared memory) for laptops. Compared to the HD 4200, the HD 4100 probably features a lower clock speed (and perhaps also some features are stripped down). According to differencebetween.net the clock rate is just 350MHz and therefore below the low power HD 4225.

ATI Radeon HD 4270ATI Radeon HD 4100
ManufacturerATIATI
Radeon HD 4000 Series
Radeon HD 4270 40 @ 590 MHz
Radeon HD 4250 (compare) 40 @ 500 MHz
Radeon HD 4200 (compare) 40 @ 500 MHz
Radeon HD 4225 (compare) 40 @ 380 MHz
Radeon HD 4100 40 @ 350 MHz
Radeon HD 4270 40 @ 590 MHz
Radeon HD 4250 (compare) 40 @ 500 MHz
Radeon HD 4200 (compare) 40 @ 500 MHz
Radeon HD 4225 (compare) 40 @ 380 MHz
Radeon HD 4100 40 @ 350 MHz
CodenameRS880M
ArchitectureRV6xxRV6xx
40 - 40 -
Core590 MHz350 MHz
Max. Memory512 MB512 MB
yesyes
DirectXDirectX 10.1, 4.0DirectX 10.1, 4.0
Technology55 nm55 nm
FeaturesAvivo HD (UVD2), Hybrid Graphics Technology, PCI-E 2.0, Vari-Bright (Bildschirmhelligkeit automtisch anpassen), HDCP support, Display Cache
Introduced01.05.2010 01.11.2009

3DMark Vantage
P Result 1280x1024 + ATI Radeon HD 4270
P GPU no PhysX 1280x1024 + ATI Radeon HD 4270
3DMark 03 - Standard 1024x768
3668 Points (2%)
3DMark 05 - Standard 1024x768
2926 Points (6%)
3DMark 06 Standard 1280x1024 + ATI Radeon HD 4270
Windows 7 Experience Index - Gaming graphics
5.3 points (67%)
5.1 points (65%)
Windows 7 Experience Index - Graphics
3.7 points (47%)
4.2 points (53%)
Cinebench R10 Shading 32Bit + ATI Radeon HD 4270
Cinebench R11.5 OpenGL 64Bit + ATI Radeon HD 4270

Average Benchmarks ATI Radeon HD 4270 → 100%

Average Benchmarks ATI Radeon HD 4100 → 105%

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

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