ATI Radeon HD 5870 vs ATI Radeon HD 2900 XT

VS

ATI Radeon HD 5870 ATI Radeon HD 2900 XT

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 5870 and 512MB VRAM Radeon HD 2900 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5870 's Advantages

Released 2 years and 4 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (153.6GB/s vs 106.0GB/s)

1280 additional rendering cores

Lower TDP (188W vs 215W)

Score

Benchmark

FP32 (float)

Radeon HD 5870 +471%

2.72 TFLOPS

Radeon HD 2900 XT

0.476 TFLOPS

Radeon HD 5870

VS

Radeon HD 2900 XT

Graphics Card

Sep 2009

Release Date

May 2007

Evergreen

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1200 MHz

Memory Clock

828 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

512bit

153.6GB/s

Bandwidth

106.0GB/s

Render Config

-

SM Count

-

20

Compute Units

4

1600

Shading Units

320

80

TMUs

16

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

256 KB

Theoretical Performance

27.20 GPixel/s

Pixel Rate

11.89 GPixel/s

68.00 GTexel/s

Texture Rate

11.89 GTexel/s

-

FP16 (half)

-

2.720 TFLOPS

FP32 (float)

475.5 GFLOPS

544.0 GFLOPS

FP64 (double)

-

Graphics Processor

Cypress

GPU Name

R600

Cypress XT (215-0735033)

GPU Variant

R600 XT (215RGMDKA13FG)

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

Board Design

188W

TDP

215W

450 W

Suggested PSU

550 W

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

Outputs

2x DVI 1x S-Video

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

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

-

CUDA

-

5.0

Shader Model

4.0

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