ATI Radeon HD 5950 vs ATI Radeon HD 2900 XT

VS

ATI Radeon HD 5950

ATI Radeon HD 2900 XT

We compared two Desktop platform GPUs: 1024MB VRAM ATI Radeon HD 5950 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 5950 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (128.0GB/s vs 106.0GB/s)

1120 additional rendering cores

ATI Radeon HD 2900 XT 's Advantages

Lower TDP (215W vs 302W)

Score

Benchmark

FP32 (float)

ATI Radeon HD 5950 +338%

2.088 TFLOPS

Radeon HD 2900 XT

0.476 TFLOPS

ATI Radeon HD 5950

VS

Radeon HD 2900 XT

Graphics Card

Unknown

Release Date

May 2007

Evergreen

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

828 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

512bit

128.0GB/s

Bandwidth

106.0GB/s

Render Config

18

Compute Units

4

-

1440

Shading Units

320

72

TMUs

16

32

ROPs

16

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

256 KB

-

Theoretical Performance

23.20 GPixel/s

Pixel Rate

11.89 GPixel/s

52.20 GTexel/s

Texture Rate

11.89 GTexel/s

-

2.088 TFLOPS

FP32 (float)

475.5 GFLOPS

-

Board Design

302W

TDP

215W

700 W

Suggested PSU

550 W

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

Outputs

2x DVI 1x S-Video

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Hemlock

GPU Name

R600

Hemlock PRO

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

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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