NVIDIA GeForce GTX 460 X2 vs ATI Radeon HD 2950 PRO

VS

NVIDIA GeForce GTX 460 X2

ATI Radeon HD 2950 PRO

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 460 X2 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 460 X2 's Advantages

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (115.2GB/s vs 38.40GB/s)

16 additional rendering cores

ATI Radeon HD 2950 PRO 's Advantages

Lower TDP (75W vs 160W)

Score

Benchmark

FP32 (float)

GeForce GTX 460 X2 +145%

0.942 TFLOPS

Radeon HD 2950 PRO

0.384 TFLOPS

GeForce GTX 460 X2

VS

Radeon HD 2950 PRO

Graphics Card

Mar 2011

Release Date

Unknown

GeForce 400

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

600 MHz

Memory

1024MB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

115.2GB/s

Bandwidth

38.40GB/s

Render Config

-

Compute Units

4

7

SM Count

-

336

Shading Units

320

56

TMUs

16

32

ROPs

16

-

64 KB (per SM)

L1 Cache

-

512 KB

L2 Cache

256 KB

-

Theoretical Performance

9.814 GPixel/s

Pixel Rate

9.600 GPixel/s

39.26 GTexel/s

Texture Rate

9.600 GTexel/s

-

941.5 GFLOPS

FP32 (float)

384.0 GFLOPS

78.46 GFLOPS

FP64 (double)

76.80 GFLOPS

Board Design

160W

TDP

75W

450 W

Suggested PSU

250 W

3x DVI 1x mini-HDMI 1.3a

Outputs

2x DVI 1x S-Video

2x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

GF104

GPU Name

RV670

GF104-300-KB-A1

GPU Variant

RV670 PRO ES (215-0708001)

Fermi

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

1.95 billion

Transistors

0.666 billion

332 mm²

Die Size

192 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3 (full) 4.0 (partial)

1.1

OpenCL

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

4.1

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