Home GPU Comparison NVIDIA GeForce 8800 Ultra vs ATI Radeon HD 2950 PRO

NVIDIA GeForce 8800 Ultra vs ATI Radeon HD 2950 PRO

We compared two Desktop platform GPUs: 768MB VRAM GeForce 8800 Ultra 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 8800 Ultra 's Advantages
More VRAM (768GB vs 256GB)
Larger VRAM bandwidth (103.7GB/s vs 38.40GB/s)
ATI Radeon HD 2950 PRO 's Advantages
192 additional rendering cores
Lower TDP (75W vs 171W)

Score

Benchmark

FP32 (float)
GeForce 8800 Ultra
0.387 TFLOPS
Radeon HD 2950 PRO
0.384 TFLOPS
VS

Graphics Card

May 2007
Release Date
Unknown
GeForce 8
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 1.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
1080 MHz
Memory Clock
600 MHz

Memory

768MB
Memory Size
256MB
GDDR3
Memory Type
GDDR3
384bit
Memory Bus
256bit
103.7GB/s
Bandwidth
38.40GB/s

Render Config

-
Compute Units
4
16
SM Count
-
128
Shading Units
320
32
TMUs
16
24
ROPs
16
-
-
-
-
-
-
-
-
-
96 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

14.69 GPixel/s
Pixel Rate
9.600 GPixel/s
39.17 GTexel/s
Texture Rate
9.600 GTexel/s
-
-
-
387.1 GFLOPS
FP32 (float)
384.0 GFLOPS
-
FP64 (double)
76.80 GFLOPS

Board Design

171W
TDP
75W
450 W
Suggested PSU
250 W
2x DVI 1x S-Video
Outputs
2x DVI 1x S-Video
2x 6-pin
Power Connectors
1x 6-pin

Graphics Processor

G80
GPU Name
RV670
G80-450-A3
GPU Variant
RV670 PRO ES (215-0708001)
Tesla
Architecture
TeraScale
TSMC
Foundry
TSMC
90 nm
Process Size
55 nm
0.681 billion
Transistors
0.666 billion
484 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 (1.0)
OpenCL
N/A
N/A
Vulkan
N/A
1.0
CUDA
-
4.0
Shader Model
4.1

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