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ATI Radeon HD 4270

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.

Radeon HD 4000 Series

Radeon HD 4270 40 @ 0.59 GHz
Radeon HD 4250 compare 40 @ 0.5 GHz
Radeon HD 4200 compare 40 @ 0.5 GHz
Radeon HD 4225 compare 40 @ 0.38 GHz
Radeon HD 4100 compare 40 @ 0.35 GHz
Pipelines40 - unified
Core Speed590 MHz
Max. Amount of Memory512 MB
Shared Memoryyes
APIDirectX 10.1, Shader 4.0
technology55 nm
FeaturesAvivo HD (UVD2), Hybrid Graphics Technology, PCI-E 2.0, Vari-Bright (Bildschirmhelligkeit automtisch anpassen), HDCP support, Display Cache
Date of Announcement01.05.2010


3DMark Vantage
3DM Vant. Perf. total +
3DM Vant. Perf. GPU no PhysX +
3DMark 06 3DMark 06 - Standard 1280x1024 +
Cinebench R10 Cinebench R10 Shading (32bit) +
Cinebench R11.5 Cinebench R11.5 OpenGL 64 Bit +
- 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 ATI Radeon HD 4270 graphics card


Review MSI CR630 Notebook

Plastic book. Many shortcomings and few genuine good points, is how we would sum up this cut-price laptop for €370. Before we can get too pleased about its exce...
AMD V-Series V120 | ATI Radeon HD 4270 | 15.60" | 2.4 kg

MSI CR630-V1225FD: AMD V-Series V120, 15.60", 2.4 kg
  External Review » MSI CR630-V1225FD

MSI CR630: AMD Athlon II P320, 15.60", 2.5 kg
  External Review » MSI CR630

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Class 1

Class 2

Radeon PRO W6600M *

Class 3

Radeon Radeon Steam Deck 8CU
UHD Graphics 32EUs
UHD Graphics 750

Class 4

Class 5

* Approximate position of the graphics adapter