Home GPU Comparison NVIDIA GeForce GTX 275 vs ATI Radeon HD 2950 PRO

NVIDIA GeForce GTX 275 vs ATI Radeon HD 2950 PRO

We compared two Desktop platform GPUs: 896MB VRAM GeForce GTX 275 and 256MB VRAM Radeon HD 2950 PRO to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 275 's Advantages
More VRAM (896GB vs 256GB)
Larger VRAM bandwidth (127.0GB/s vs 38.40GB/s)
ATI Radeon HD 2950 PRO 's Advantages
80 additional rendering cores
Lower TDP (75W vs 219W)

Score

Benchmark

FP32 (float)
GeForce GTX 275 +75%
0.674 TFLOPS
Radeon HD 2950 PRO
0.384 TFLOPS
VS

Graphics Card

Jan 2009
Release Date
Unknown
GeForce 200
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
1134 MHz
Memory Clock
600 MHz

Memory

896MB
Memory Size
256MB
GDDR3
Memory Type
GDDR3
448bit
Memory Bus
256bit
127.0GB/s
Bandwidth
38.40GB/s

Render Config

-
Compute Units
4
30
SM Count
-
240
Shading Units
320
80
TMUs
16
28
ROPs
16
-
-
-
-
-
-
-
-
-
224 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

17.72 GPixel/s
Pixel Rate
9.600 GPixel/s
50.64 GTexel/s
Texture Rate
9.600 GTexel/s
-
-
-
673.9 GFLOPS
FP32 (float)
384.0 GFLOPS
84.24 GFLOPS
FP64 (double)
76.80 GFLOPS

Board Design

219W
TDP
75W
550 W
Suggested PSU
250 W
2x DVI
Outputs
2x DVI 1x S-Video
2x 6-pin
Power Connectors
1x 6-pin

Graphics Processor

GT200B
GPU Name
RV670
G200-105-B3
GPU Variant
RV670 PRO ES (215-0708001)
Tesla 2.0
Architecture
TeraScale
TSMC
Foundry
TSMC
55 nm
Process Size
55 nm
1.4 billion
Transistors
0.666 billion
470 mm²
Die Size
192 mm²

Graphics Features

11.1 (10_0)
DirectX
10.1 (10_1)
3.3
OpenGL
3.3 (full) 4.0 (partial)
1.1
OpenCL
N/A
N/A
Vulkan
N/A
1.3
CUDA
-
4.0
Shader Model
4.1

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