ATI Radeon HD 5870 Mac Edition vs ATI Radeon HD 2900 GT

VS

ATI Radeon HD 5870 Mac Edition

ATI Radeon HD 2900 GT

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 5870 Mac Edition and 256MB VRAM Radeon HD 2900 GT 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

Released 2 years and 7 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (153.0GB/s vs 51.20GB/s)

1360 additional rendering cores

ATI Radeon HD 2900 GT 's Advantages

Lower TDP (150W vs 228W)

Score

Benchmark

FP32 (float)

Radeon HD 5870 Mac Edition +844%

2.72 TFLOPS

Radeon HD 2900 GT

0.288 TFLOPS

Radeon HD 5870 Mac Edition

VS

Radeon HD 2900 GT

Graphics Card

Jun 2010

Release Date

Nov 2007

Evergreen

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1195 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

153.0GB/s

Bandwidth

51.20GB/s

Render Config

20

Compute Units

3

-

1600

Shading Units

240

80

TMUs

12

32

ROPs

12

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

128 KB

-

Theoretical Performance

27.20 GPixel/s

Pixel Rate

7.212 GPixel/s

68.00 GTexel/s

Texture Rate

7.212 GTexel/s

-

2.720 TFLOPS

FP32 (float)

288.5 GFLOPS

544.0 GFLOPS

FP64 (double)

-

Board Design

228W

TDP

150W

550 W

Suggested PSU

450 W

1x DVI 2x mini-DisplayPort 1.1

Outputs

2x DVI 1x S-Video

2x 6-pin

Power Connectors

1x 8-pin

Graphics Processor

Cypress

GPU Name

R600

Cypress XT (215-0735033)

GPU Variant

R600 GT (215RGFDKA13FG)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

80 nm

2.154 billion

Transistors

0.72 billion

334 mm²

Die Size

420 mm²

Graphics Features

11.2 (11_0)

DirectX

10.0 (10_0)

4.4

OpenGL

3.3 (full) 4.0 (partial)

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

4.0

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