ATI Radeon HD 2900 XTX vs ATI Radeon HD 2950 PRO

VS

ATI Radeon HD 2900 XTX ATI Radeon HD 2950 PRO

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 XTX and 256MB VRAM Radeon HD 2950 PRO to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 2900 XTX 's Advantages

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (106.0GB/s vs 38.40GB/s)

ATI Radeon HD 2950 PRO 's Advantages

Lower TDP (75W vs 240W)

Score

Benchmark

FP32 (float)

Radeon HD 2900 XTX +23%

0.476 TFLOPS

Radeon HD 2950 PRO

0.384 TFLOPS

Radeon HD 2900 XTX

VS

Radeon HD 2950 PRO

Graphics Card

Unknown

Release Date

Unknown

Radeon R600

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

828 MHz

Memory Clock

600 MHz

Memory

512MB

Memory Size

256MB

GDDR3

Memory Type

GDDR3

512bit

Memory Bus

256bit

106.0GB/s

Bandwidth

38.40GB/s

Render Config

-

SM Count

-

4

Compute Units

4

320

Shading Units

320

16

TMUs

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

L1 Cache

-

256 KB

L2 Cache

256 KB

Theoretical Performance

11.89 GPixel/s

Pixel Rate

9.600 GPixel/s

11.89 GTexel/s

Texture Rate

9.600 GTexel/s

-

FP16 (half)

-

475.5 GFLOPS

FP32 (float)

384.0 GFLOPS

-

FP64 (double)

76.80 GFLOPS

Graphics Processor

R600

GPU Name

RV670

R600 XTX A11 (215RGMDKA11FG)

GPU Variant

RV670 PRO ES (215-0708001)

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

80 nm

Process Size

55 nm

0.72 billion

Transistors

0.666 billion

420 mm²

Die Size

192 mm²

Board Design

240W

TDP

75W

550 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 Features

10.0 (10_0)

DirectX

10.1 (10_1)

3.3 (full) 4.0 (partial)

OpenGL

3.3 (full) 4.0 (partial)

N/A

OpenCL

N/A

Vulkan

N/A

-

CUDA

-

4.0

Shader Model

4.1

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