ATI Radeon HD 2900 PRO vs ATI Radeon HD 5870 Eyefinity 6

VS

ATI Radeon HD 2900 PRO

ATI Radeon HD 5870 Eyefinity 6

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 PRO and 2GB VRAM Radeon HD 5870 Eyefinity 6 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 2900 PRO 's Advantages

Lower TDP (200W vs 228W)

ATI Radeon HD 5870 Eyefinity 6 's Advantages

Released 2 years and 3 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (153.6GB/s vs 51.20GB/s)

1280 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 2900 PRO

0.384 TFLOPS

Radeon HD 5870 Eyefinity 6 +608%

2.72 TFLOPS

Radeon HD 2900 PRO

VS

Radeon HD 5870 Eyefinity 6

Graphics Card

Dec 2007

Release Date

Mar 2010

Radeon R600

Generation

Evergreen

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

1200 MHz

Memory

512MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

256bit

Memory Bus

256bit

51.20GB/s

Bandwidth

153.6GB/s

Render Config

4

Compute Units

20

-

320

Shading Units

1600

16

TMUs

80

16

ROPs

32

-

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

9.600 GPixel/s

Pixel Rate

27.20 GPixel/s

9.600 GTexel/s

Texture Rate

68.00 GTexel/s

-

384.0 GFLOPS

FP32 (float)

2.720 TFLOPS

-

FP64 (double)

544.0 GFLOPS

Board Design

200W

TDP

228W

550 W

Suggested PSU

550 W

2x DVI 1x S-Video

Outputs

6x mini-DisplayPort 1.1

1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

R600

GPU Name

Cypress

R600 PRO (215RGMDKA13FG)

GPU Variant

Cypress XT (215-0735033)

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

80 nm

Process Size

40 nm

0.72 billion

Transistors

2.154 billion

420 mm²

Die Size

334 mm²

Graphics Features

10.0 (10_0)

DirectX

11.2 (11_0)

3.3 (full) 4.0 (partial)

OpenGL

4.4

N/A

OpenCL

1.2

N/A

Vulkan

N/A

-

4.0

Shader Model

5.0

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