ATI Radeon HD 5970 vs ATI Radeon HD 4250

VS

ATI Radeon HD 5970

ATI Radeon HD 4250

We compared two Desktop platform GPUs: 1024MB VRAM ATI Radeon HD 5970 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 5970 's Advantages

Released 9 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (128.0GB/s vs 6.336GB/s)

1560 additional rendering cores

ATI Radeon HD 4250 's Advantages

Lower TDP (25W vs 294W)

Score

Benchmark

FP32 (float)

ATI Radeon HD 5970 +4733%

2.32 TFLOPS

Radeon HD 4250

0.048 TFLOPS

ATI Radeon HD 5970

VS

Radeon HD 4250

Graphics Card

Nov 2009

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

20

Compute Units

2

-

1600

Shading Units

40

80

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

58.00 GTexel/s

Texture Rate

2.376 GTexel/s

-

2.320 TFLOPS

FP32 (float)

47.52 GFLOPS

464.0 GFLOPS

FP64 (double)

-

Board Design

294W

TDP

25W

600 W

Suggested PSU

200 W

2x DVI 1x mini-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 XT (215-0735075)

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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