ATI Radeon HD 2900 PRO vs GeForce GT 625 OEM

Place in the ranking	1072	953
Place by popularity	not in top-100	not in top-100
Power efficiency	2.74	0.57
Architecture	Fermi 2.0 (2010−2014)	TeraScale (2005−2013)
GPU code name	GF119	R600
Market segment	Desktop	Desktop
Release date	18 February 2013 (11 years ago)	12 December 2007 (16 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	48	320
Core clock speed	874 MHz	600 MHz
Number of transistors	292 million	720 million
Manufacturing process technology	40 nm	80 nm
Power consumption (TDP)	29 Watt	200 Watt
Texture fill rate	6.992	9.600
Floating-point processing power	0.1678 TFLOPS	0.384 TFLOPS
ROPs	4	16
TMUs	8	16

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 2.0 x16	PCIe 1.0 x16
Length	168 mm	241 mm
Width	1-slot	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	DDR3	GDDR3
Maximum RAM amount	1 GB	512 MB
Memory bus width	64 Bit	256 Bit
Memory clock speed	825 MHz	800 MHz
Memory bandwidth	13.2 GB/s	51.2 GB/s

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	1x DVI, 1x HDMI	2x DVI, 1x S-Video
HDMI	+	-

API compatibility

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

DirectX	12 (11_0)	10.0 (10_0)
Shader Model	5.1	4.0
OpenGL	4.6	3.3
OpenCL	1.1	N/A
Vulkan	N/A	N/A
CUDA	2.1	-

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.

GT 625 OEM 1.14

ATI HD 2900 PRO 1.63
+43%

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.

GT 625 OEM 439

ATI HD 2900 PRO 627
+42.8%

Gaming performance

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

Pros & cons summary

Performance score	1.14	1.63
Recency	18 February 2013	12 December 2007
Maximum RAM amount	1 GB	512 MB
Chip lithography	40 nm	80 nm
Power consumption (TDP)	29 Watt	200 Watt

GT 625 OEM has an age advantage of 5 years, a 100% higher maximum VRAM amount, a 100% more advanced lithography process, and 589.7% lower power consumption.

ATI HD 2900 PRO, on the other hand, has a 43% higher aggregate performance score.

The Radeon HD 2900 PRO is our recommended choice as it beats the GeForce GT 625 OEM in performance tests.

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