Radeon RX 7900 GRE vs ATI HD 2900 PRO

Place in the ranking	951	23
Place by popularity	not in top-100	not in top-100
Power efficiency	0.57	18.61
Architecture	TeraScale (2005−2013)	RDNA 3.0 (2022−2024)
GPU code name	R600	Navi 31
Market segment	Desktop	Desktop
Release date	12 December 2007 (16 years ago)	27 July 2023 (1 year 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	320	5120
Core clock speed	600 MHz	1287 MHz
Boost clock speed	no data	2245 MHz
Number of transistors	720 million	57,700 million
Manufacturing process technology	80 nm	5 nm
Power consumption (TDP)	200 Watt	260 Watt
Texture fill rate	9.600	718.4
Floating-point processing power	0.384 TFLOPS	45.98 TFLOPS
ROPs	16	160
TMUs	16	320
Ray Tracing Cores	no data	80

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	PCIe 1.0 x16	PCIe 4.0 x16
Length	241 mm	276 mm
Width	2-slot	2-slot
Supplementary power connectors	1x 8-pin	2x 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	GDDR6
Maximum RAM amount	512 MB	16 GB
Memory bus width	256 Bit	256 Bit
Memory clock speed	800 MHz	2250 MHz
Memory bandwidth	51.2 GB/s	576.0 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	2x DVI, 1x S-Video	1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-C
HDMI	-	+

API compatibility

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

DirectX	10.0 (10_0)	12 Ultimate (12_2)
Shader Model	4.0	6.7
OpenGL	3.3	4.6
OpenCL	N/A	2.2
Vulkan	N/A	1.3

Synthetic benchmark performance

Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.

Combined synthetic benchmark score

This is our combined benchmark score. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

ATI HD 2900 PRO 1.63

RX 7900 GRE 69.42
+4159%

Passmark

This is the most ubiquitous GPU benchmark. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.

ATI HD 2900 PRO 627

RX 7900 GRE 26779
+4171%

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	5−6 −4160%	213 +4160%
1440p	3−4 −4267%	131 +4267%
4K	1−2 −7900%	80 +7900%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

208

+0%

208

+0%

Full HD
Medium Preset

Assassin's Creed Odyssey	140−150 +0%	140−150 +0%
Assassin's Creed Valhalla	120−130 +0%	120−130 +0%
Battlefield 5	220−230 +0%	220−230 +0%
Call of Duty: Modern Warfare	110−120 +0%	110−120 +0%
Cyberpunk 2077	184 +0%	184 +0%
Far Cry 5	110−120 +0%	110−120 +0%
Far Cry New Dawn	160−170 +0%	160−170 +0%
Forza Horizon 4	230−240 +0%	230−240 +0%
Hitman 3	120−130 +0%	120−130 +0%
Horizon Zero Dawn	250−260 +0%	250−260 +0%
Metro Exodus	150−160 +0%	150−160 +0%
Red Dead Redemption 2	120−130 +0%	120−130 +0%
Shadow of the Tomb Raider	280−290 +0%	280−290 +0%
Watch Dogs: Legion	150−160 +0%	150−160 +0%

Full HD
High Preset

Assassin's Creed Odyssey	140−150 +0%	140−150 +0%
Assassin's Creed Valhalla	120−130 +0%	120−130 +0%
Battlefield 5	220−230 +0%	220−230 +0%
Call of Duty: Modern Warfare	110−120 +0%	110−120 +0%
Cyberpunk 2077	158 +0%	158 +0%
Far Cry 5	110−120 +0%	110−120 +0%
Far Cry New Dawn	160−170 +0%	160−170 +0%
Forza Horizon 4	230−240 +0%	230−240 +0%
Hitman 3	120−130 +0%	120−130 +0%
Horizon Zero Dawn	250−260 +0%	250−260 +0%
Metro Exodus	150−160 +0%	150−160 +0%
Red Dead Redemption 2	120−130 +0%	120−130 +0%
Shadow of the Tomb Raider	403 +0%	403 +0%
The Witcher 3: Wild Hunt	140−150 +0%	140−150 +0%
Watch Dogs: Legion	150−160 +0%	150−160 +0%

Full HD
Ultra Preset

Assassin's Creed Odyssey	140−150 +0%	140−150 +0%
Assassin's Creed Valhalla	120−130 +0%	120−130 +0%
Call of Duty: Modern Warfare	110−120 +0%	110−120 +0%
Cyberpunk 2077	148 +0%	148 +0%
Far Cry 5	110−120 +0%	110−120 +0%
Forza Horizon 4	230−240 +0%	230−240 +0%
Hitman 3	120−130 +0%	120−130 +0%
Horizon Zero Dawn	294 +0%	294 +0%
Shadow of the Tomb Raider	353 +0%	353 +0%
The Witcher 3: Wild Hunt	209 +0%	209 +0%
Watch Dogs: Legion	150−160 +0%	150−160 +0%

Full HD
Epic Preset

Red Dead Redemption 2

120−130

+0%

120−130

+0%

1440p
High Preset

Battlefield 5	160−170 +0%	160−170 +0%
Far Cry New Dawn	110−120 +0%	110−120 +0%

1440p
Ultra Preset

Assassin's Creed Odyssey	80−85 +0%	80−85 +0%
Assassin's Creed Valhalla	85−90 +0%	85−90 +0%
Call of Duty: Modern Warfare	80−85 +0%	80−85 +0%
Cyberpunk 2077	98 +0%	98 +0%
Far Cry 5	80−85 +0%	80−85 +0%
Forza Horizon 4	270−280 +0%	270−280 +0%
Hitman 3	100−105 +0%	100−105 +0%
Horizon Zero Dawn	231 +0%	231 +0%
Metro Exodus	128 +0%	128 +0%
Shadow of the Tomb Raider	252 +0%	252 +0%
The Witcher 3: Wild Hunt	156 +0%	156 +0%
Watch Dogs: Legion	230−240 +0%	230−240 +0%

1440p
Epic Preset

Red Dead Redemption 2

110−120

+0%

110−120

+0%

4K
High Preset

Battlefield 5	85−90 +0%	85−90 +0%
Far Cry New Dawn	65−70 +0%	65−70 +0%
Hitman 3	60−65 +0%	60−65 +0%
Horizon Zero Dawn	220−230 +0%	220−230 +0%
Metro Exodus	100−110 +0%	100−110 +0%
The Witcher 3: Wild Hunt	125 +0%	125 +0%

4K
Ultra Preset

Assassin's Creed Odyssey	55−60 +0%	55−60 +0%
Assassin's Creed Valhalla	50−55 +0%	50−55 +0%
Call of Duty: Modern Warfare	50−55 +0%	50−55 +0%
Cyberpunk 2077	45 +0%	45 +0%
Far Cry 5	50−55 +0%	50−55 +0%
Forza Horizon 4	110−120 +0%	110−120 +0%
Shadow of the Tomb Raider	131 +0%	131 +0%
Watch Dogs: Legion	40−45 +0%	40−45 +0%

4K
Epic Preset

Red Dead Redemption 2

70−75

+0%

70−75

+0%

This is how ATI HD 2900 PRO and RX 7900 GRE compete in popular games:

RX 7900 GRE is 4160% faster in 1080p
RX 7900 GRE is 4267% faster in 1440p
RX 7900 GRE is 7900% faster in 4K

All in all, in popular games:

there's a draw in 72 tests (100%)

Pros & cons summary

Performance score	1.63	69.42
Recency	12 December 2007	27 July 2023
Maximum RAM amount	512 MB	16 GB
Chip lithography	80 nm	5 nm
Power consumption (TDP)	200 Watt	260 Watt

ATI HD 2900 PRO has 30% lower power consumption.

RX 7900 GRE, on the other hand, has a 4158.9% higher aggregate performance score, an age advantage of 15 years, a 3100% higher maximum VRAM amount, and a 1500% more advanced lithography process.

The Radeon RX 7900 GRE is our recommended choice as it beats the Radeon HD 2900 PRO in performance tests.

Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.