ATI Radeon HD 2900 GT vs ATI Mobility HD 4550

Place in the ranking	1302	1155
Place by popularity	not in top-100	not in top-100
Power efficiency	no data	0.35
Architecture	Terascale 1 (2010)	TeraScale (2005−2013)
GPU code name	M92	R600
Market segment	Laptop	Desktop
Release date	1 January 2010 (14 years ago)	6 November 2007 (17 years ago)

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores	80	240
Core clock speed	550 MHz	601 MHz
Number of transistors	242 million	720 million
Manufacturing process technology	55 nm	80 nm
Power consumption (TDP)	no data	150 Watt
Texture fill rate	4.400	7.212
Floating-point processing power	0.088 TFLOPS	0.2885 TFLOPS
ROPs	4	12
TMUs	8	12

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

Interface	MXM-II	PCIe 1.0 x16
Width	no data	2-slot
Supplementary power connectors	None	1x 8-pin

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory type	GDDR3, DDR2, DDR3	GDDR3
Maximum RAM amount	512 MB	256 MB
Memory bus width	64 Bit	256 Bit
Memory clock speed	700 MHz	800 MHz
Memory bandwidth	11.2 GB/s	51.2 GB/s
Shared memory	-	-

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display Connectors

No outputs

2x DVI, 1x S-Video

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX	10.1 (10_1)	10.0 (10_0)
Shader Model	4.1	4.0
OpenGL	3.3	3.3
OpenCL	1.1	N/A
Vulkan	N/A	N/A

Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

Average FPS across all PC games

Here are the average frames per second in a large set of popular games across different resolutions:

Full HD

−110%

21−24
+110%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

2−3

−100%

4−5
+100%

Full HD
Medium Preset

Assassin's Creed Odyssey	3−4 −100%	6−7 +100%
Call of Duty: Modern Warfare	2−3 −100%	4−5 +100%
Cyberpunk 2077	2−3 −100%	4−5 +100%
Hitman 3	4−5 −125%	9−10 +125%
Horizon Zero Dawn	8−9 −125%	18−20 +125%
Shadow of the Tomb Raider	4−5 −125%	9−10 +125%
Watch Dogs: Legion	27−30 −114%	60−65 +114%

Full HD
High Preset

Assassin's Creed Odyssey	3−4 −100%	6−7 +100%
Call of Duty: Modern Warfare	2−3 −100%	4−5 +100%
Cyberpunk 2077	2−3 −100%	4−5 +100%
Hitman 3	4−5 −125%	9−10 +125%
Horizon Zero Dawn	8−9 −125%	18−20 +125%
Shadow of the Tomb Raider	4−5 −125%	9−10 +125%
The Witcher 3: Wild Hunt	9−10 −100%	18−20 +100%
Watch Dogs: Legion	27−30 −114%	60−65 +114%

Full HD
Ultra Preset

Assassin's Creed Odyssey	3−4 −100%	6−7 +100%
Call of Duty: Modern Warfare	2−3 −100%	4−5 +100%
Cyberpunk 2077	2−3 −100%	4−5 +100%
Hitman 3	4−5 −125%	9−10 +125%
Horizon Zero Dawn	8−9 −125%	18−20 +125%
Shadow of the Tomb Raider	4−5 −125%	9−10 +125%
The Witcher 3: Wild Hunt	9−10 −100%	18−20 +100%
Watch Dogs: Legion	27−30 −114%	60−65 +114%