ATI Radeon HD 4250 vs ATI Radeon HD 4580

VS

ATI Radeon HD 4250

ATI Radeon HD 4580

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4250 and 512MB VRAM Radeon HD 4580 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4250 's Advantages

Lower TDP (25W vs 65W)

ATI Radeon HD 4580 's Advantages

Released 2 years and 9 months late

Larger VRAM bandwidth (22.18GB/s vs 6.336GB/s)

80 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 4250

0.048 TFLOPS

Radeon HD 4580 +297%

0.191 TFLOPS

Radeon HD 4250

VS

Radeon HD 4580

Graphics Card

Feb 2009

Release Date

Nov 2011

Radeon R600

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

396 MHz

Memory Clock

693 MHz

Memory

512MB

Memory Size

512MB

DDR2

Memory Type

GDDR3

64bit

Memory Bus

128bit

6.336GB/s

Bandwidth

22.18GB/s

Render Config

2

Compute Units

3

-

40

Shading Units

120

4

TMUs

8

4

ROPs

4

-

64 KB

L2 Cache

128 KB

-

Theoretical Performance

2.376 GPixel/s

Pixel Rate

3.184 GPixel/s

2.376 GTexel/s

Texture Rate

6.368 GTexel/s

-

47.52 GFLOPS

FP32 (float)

191.0 GFLOPS

-

Board Design

25W

TDP

65W

200 W

Suggested PSU

250 W

1x DVI 1x VGA 1x S-Video

Outputs

2x DVI 1x S-Video

None

Power Connectors

None

Graphics Processor

RV620

GPU Name

RV635

RV620 LE

GPU Variant

RV635 PRO (215-0682008)

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

55 nm

0.181 billion

Transistors

0.378 billion

67 mm²

Die Size

135 mm²

Graphics Features

10.1 (10_1)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3

N/A

OpenCL

N/A

Vulkan

N/A

-

4.1

Shader Model

4.1

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