AMD Radeon HD 6750 vs ATI Radeon HD 2950 PRO

VS

AMD Radeon HD 6750

ATI Radeon HD 2950 PRO

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6750 and 256MB VRAM Radeon HD 2950 PRO to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6750 's Advantages

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (73.60GB/s vs 38.40GB/s)

400 additional rendering cores

ATI Radeon HD 2950 PRO 's Advantages

Lower TDP (75W vs 86W)

Score

Benchmark

FP32 (float)

Radeon HD 6750 +162%

1.008 TFLOPS

Radeon HD 2950 PRO

0.384 TFLOPS

Radeon HD 6750

VS

Radeon HD 2950 PRO

Graphics Card

Jan 2011

Release Date

Unknown

Northern Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1150 MHz

Memory Clock

600 MHz

Memory

1024MB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

256bit

73.60GB/s

Bandwidth

38.40GB/s

Render Config

9

Compute Units

4

-

720

Shading Units

320

36

TMUs

16

ROPs

16

-

8 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

256 KB

-

Theoretical Performance

11.20 GPixel/s

Pixel Rate

9.600 GPixel/s

25.20 GTexel/s

Texture Rate

9.600 GTexel/s

-

1008 GFLOPS

FP32 (float)

384.0 GFLOPS

-

FP64 (double)

76.80 GFLOPS

Board Design

86W

TDP

75W

250 W

Suggested PSU

250 W

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

Outputs

2x DVI 1x S-Video

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Juniper

GPU Name

RV670

Juniper LE (215-0754009)

GPU Variant

RV670 PRO ES (215-0708001)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

1.04 billion

Transistors

0.666 billion

166 mm²

Die Size

192 mm²

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3 (full) 4.0 (partial)

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

4.1

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