ATI Radeon HD 5870 Mac Edition vs ATI Radeon HD 2950 XTX

VS

ATI Radeon HD 5870 Mac Edition

ATI Radeon HD 2950 XTX

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 5870 Mac Edition and 512MB VRAM Radeon HD 2950 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5870 Mac Edition 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (153.0GB/s vs 72.06GB/s)

1280 additional rendering cores

ATI Radeon HD 2950 XTX 's Advantages

Lower TDP (110W vs 228W)

Score

Benchmark

FP32 (float)

Radeon HD 5870 Mac Edition +447%

2.72 TFLOPS

Radeon HD 2950 XTX

0.497 TFLOPS

Radeon HD 5870 Mac Edition

VS

Radeon HD 2950 XTX

Graphics Card

Jun 2010

Release Date

Unknown

Evergreen

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1195 MHz

Memory Clock

1126 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR4

256bit

Memory Bus

256bit

153.0GB/s

Bandwidth

72.06GB/s

Render Config

20

Compute Units

4

-

1600

Shading Units

320

80

TMUs

16

32

ROPs

16

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

256 KB

-

Theoretical Performance

27.20 GPixel/s

Pixel Rate

12.43 GPixel/s

68.00 GTexel/s

Texture Rate

12.43 GTexel/s

-

2.720 TFLOPS

FP32 (float)

497.3 GFLOPS

544.0 GFLOPS

FP64 (double)

99.46 GFLOPS

Board Design

228W

TDP

110W

550 W

Suggested PSU

300 W

1x DVI 2x mini-DisplayPort 1.1

Outputs

2x DVI 1x S-Video

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Cypress

GPU Name

RV670

Cypress XT (215-0735033)

GPU Variant

RV670 XTX (215-0708004)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

2.154 billion

Transistors

0.666 billion

334 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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