ATI Radeon HD 5950 vs ATI Radeon HD 4250

VS

ATI Radeon HD 5950

ATI Radeon HD 4250

We compared two Desktop platform GPUs: 1024MB VRAM ATI Radeon HD 5950 and 512MB VRAM Radeon HD 4250 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 6.336GB/s)

1400 additional rendering cores

ATI Radeon HD 4250 's Advantages

Lower TDP (25W vs 302W)

Score

Benchmark

FP32 (float)

ATI Radeon HD 5950 +4250%

2.088 TFLOPS

Radeon HD 4250

0.048 TFLOPS

ATI Radeon HD 5950

VS

Radeon HD 4250

Graphics Card

Unknown

Release Date

Feb 2009

Evergreen

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

396 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

64bit

128.0GB/s

Bandwidth

6.336GB/s

Render Config

18

Compute Units

2

-

1440

Shading Units

40

72

TMUs

4

32

ROPs

4

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

64 KB

-

Theoretical Performance

23.20 GPixel/s

Pixel Rate

2.376 GPixel/s

52.20 GTexel/s

Texture Rate

2.376 GTexel/s

-

2.088 TFLOPS

FP32 (float)

47.52 GFLOPS

-

Board Design

302W

TDP

25W

700 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x VGA 1x S-Video

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Hemlock

GPU Name

RV620

Hemlock PRO

GPU Variant

RV620 LE

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

2.154 billion

Transistors

0.181 billion

334 mm²

Die Size

67 mm²

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

4.1

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