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ATI Mobility Radeon HD 4550

The ATI Mobilty Radeon HD 4550 from AMD is a DirectX 10.1 lower-class notebook graphics adapter. Technically it lies between Mobility Radeon 4530 and 4570 (only the clockrate differentiates them).

The gaming performance of the ATI Mobility Radeon HD4550 lies under the desktop 4350 and therefore DirecX 9 games should run fluent in low-medium detail settings. Demanding games like Crysis can only be played in low detail settings.

The Mobility HD 4550 is based on the RV710 chip and features 80 stream processors (16 5-dimensional shader cores). These cores do the graphic work of the shader- and pixel pipelines of older GPUs. The stream processors are also called ALUs and are grouped in five-way VLIW units. Each of the five instructions of a VLIW bundle has to be independent from the others and therefore the performance depends on the optimization of the driver.

A speciality of the Radeon HD 4550 is the possibility to use ordinary DDR2 and DDR3 graphic memory (as a cheaper alternative to GDDR3). However, cards that use that kind of memory will be slower than others equipped with GDDR RAM (because of the different bandwidth 16 versus 32 bit).

The Mobility Radeon HD 4550 includes the Avivo HD called video technology including an onboard soundchip for 7.1 sound output over HDMI or DisplayPort and the 2nd generation UVD (Unified Video Decoder). This UVD 2 supports full bitstream decoding of H.264/MPEG-4 AVC and VC-1 streams. In addition to this, it also supports dual video stream decoding and Picture-in Picture mode which makes the UVD full BD-Live compliant. Simplified, the Avivo HD technology handles all video tasks and enables the GPU to decode HD videos.

AMD published a current consumtion of about 8-12 Watt for the HD 4550. Still it is unclear if this value represents the chip alone or the whole mxm board including the memory (which would include about 5 Watt).

Compared to the desktop ATI Radeon HD 4550, the mobile 4550 features a slower core clock (600 versus 500) but can have a higher memory clock. Therefore, the performance should be more or less comparable (the mobile card will be a bit slower).

Mobility Radeon HD 4300/4500 Series

Mobility Radeon HD 4570 compare 80 @ 0.68 GHz64 Bit @ 800 MHz
Mobility Radeon HD 4550 80 @ 0.55 GHz64 Bit @ 700 MHz
Mobility Radeon HD 4530 compare 80 @ 0.5 GHz64 Bit @ 700 MHz
Mobility Radeon HD 4350 compare 80 @ 0.45 GHz64 Bit @ 600 MHz
ArchitectureTerascale 1
Pipelines80 - unified
Core Speed550 MHz
Memory Speed700 MHz
Memory Bus Width64 Bit
Memory TypeGDDR3, DDR2, DDR3
Shared Memoryno
APIDirectX 10.1, Shader 4.1
Transistor Count242 Million
technology55 nm
FeaturesOpenGL 2.0, PCI-E 2.0 x16, Powerplay, DisplayPort support up to 2560x1600, HDMI support up to 1920x1080 (both with 7.1 AC3 Audio), 1x Dual-Link/Single-Link DVI, 1x Single-Link DVI Support (all display ports have to be supported by the laptop manufacturer)
Date of Announcement01.01.2010
Link to Manufacturer


3DMark Vantage
3DM Vant. Perf. total +
3DM Vant. Perf. GPU no PhysX +
3DMark 2001SE - 3DMark 2001 - Standard
min: 13318     avg: 16655     median: 18299 (19%)     max: 18347 Points
3DMark 03 - 3DMark 03 - Standard
min: 9590     avg: 9832     median: 9832.5 (5%)     max: 10074 Points
3DMark 06 3DMark 06 - Score Unknown Settings +
3DMark 06 - Standard 1280x1024 +
3DMark 06
min: 2911     avg: 3275     median: 3449 (5%)     max: 3465 Points
3DMark 06 - Standard 1280x768 +
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

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 1024x768
120.5  fps    + Compare + 📈 Graph
med. 1360x768
21.2  fps    + Compare + 📈 Graph
high 1360x768
12.3  fps    + Compare + 📈 Graph
» With all tested laptops playable in detail settings low.
low 1024x768
33.6  fps    + Compare + 📈 Graph
med. 1366x768
19.8  fps    + Compare + 📈 Graph
high 1366x768
11.9  fps    + Compare + 📈 Graph
» The benchmarks indicate that the game is not playable in the tested settings.


low 800x600
40  fps    + Compare + 📈 Graph
med. 1024x768
19.4  fps    + Compare + 📈 Graph
high 1366x768
13  fps    + Compare + 📈 Graph
» With all tested laptops playable in detail settings low.
Far Cry 2

Far Cry 2

low 640x480
62.8  fps    + Compare + 📈 Graph
high 1024x768
20  fps    + Compare + 📈 Graph
» With all tested laptops playable in detail settings low.
Crysis - GPU Benchmark

Crysis - GPU Benchmark

low 1024x768
25  fps    + Compare
med. 1024x768
21  fps    + Compare
high 1024x768
12  fps    + Compare
ultra 1920x1080
9.5  fps    + Compare
» The benchmarks indicate that the game is not playable in the tested settings.
World in Conflict - Benchmark

World in Conflict - Benchmark

med. 1024x768
42.7  fps    + Compare + 📈 Graph
high 1024x768
16.4  fps    + Compare + 📈 Graph
» With all tested laptops playable in detail settings med..
StarCraft 2120.521.212.3
Battlefield: Bad Company 233.619.811.9
Far Cry 262.820
Crysis - GPU Benchmark2521129.5
World in Conflict - Benchmark42.716.4
< 30 fps
< 60 fps
< 120 fps
≥ 120 fps



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 Mobility Radeon HD 4550 graphics card


Review HP Pavilion dv3-2390eg Notebook

Touching allowed. The Touch notebook can’t decide if it’s for entertainment or technology enthusiasts. An ATI Hybrid Graphics, strong Core i5, 7200 rpm HDD are ...
Intel Core i5-430M | ATI Mobility Radeon HD 4550 | 13.30" | 2.4 kg

Review HP ProBook 6540b WD690EA Notebook

Office decathlete. The 15.6" ProBook wants to hold its ground in the budget-priced Office mid-range. With at TFT, Core i5 performance, 1600X900 pixels and bount...
Intel Core i5-430M | ATI Mobility Radeon HD 4550 | 15.60" | 2.8 kg

Review HP Touchsmart tm2 Laptop/Tablet PC

A Tablet for Everyone? Whether you prefer to type or handwrite your texts, whether you rather navigate your computer per touchscreen or per touchpad, the HP del...
Intel Core 2 Duo SU7300 | ATI Mobility Radeon HD 4550 | 12.10" | 2.1 kg

HP Pavilion dv3-2390eg: Intel Core i5-430M, 13.30", 2.4 kg
  External Review » HP Pavilion dv3-2390eg

HP Pavilion dv3-2310er: Intel Core i3-350M, 13.30", 2.1 kg
  External Review » HP Pavilion dv3-2310er

HP ProBook 6540b: Intel Core i5-430M, 15.60", 2.8 kg
  External Review » HP ProBook 6540b

HP TouchSmart tm2-1010ea: Intel Pentium Dual Core SU4100, 12.10", 2.2 kg
  External Review » HP TouchSmart tm2-1010ea

HP ProBook 6440b: Intel Core i5-430M, 14.00", 2.3 kg
  External Review » HP ProBook 6440b

Lenovo G455-4KB: AMD Athlon II M320, 14.00", 2.4 kg
  External Review » Lenovo G455-4KB

Lenovo G555-3B: AMD Turion II M520, 15.60", 2.7 kg
  External Review » Lenovo G555-3B

HP ProBook 6540b WD690EA: Intel Core i5-430M, 15.60", 2.8 kg
  External Review » HP ProBook 6540b WD690EA

HP Touchsmart tm2 - 1090eg: Intel Core 2 Duo SU7300, 12.10", 2.1 kg
  External Review » HP Touchsmart tm2 - 1090eg

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Class 1

Class 2

Radeon PRO W6600M *

Class 3

UHD Graphics 32EUs
UHD Graphics 750

Class 4

Class 5

* Approximate position of the graphics adapter