AMD Radeon HD 8490 OEM vs ATI Radeon HD 4250

VS

AMD Radeon HD 8490 OEM

ATI Radeon HD 4250

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 8490 OEM and 512MB VRAM Radeon HD 4250 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8490 OEM 's Advantages

Released 4 years and 5 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (14.40GB/s vs 6.336GB/s)

120 additional rendering cores

ATI Radeon HD 4250 's Advantages

Lower TDP (25W vs 35W)

Score

Benchmark

FP32 (float)

Radeon HD 8490 OEM +483%

0.28 TFLOPS

Radeon HD 4250

0.048 TFLOPS

Radeon HD 8490 OEM

VS

Radeon HD 4250

Graphics Card

Jul 2013

Release Date

Feb 2009

Sea Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

396 MHz

Memory

1024MB

Memory Size

512MB

DDR3

Memory Type

DDR2

64bit

Memory Bus

64bit

14.40GB/s

Bandwidth

6.336GB/s

Render Config

2

Compute Units

2

-

160

Shading Units

40

8

TMUs

4

ROPs

4

-

8 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

64 KB

-

Theoretical Performance

3.500 GPixel/s

Pixel Rate

2.376 GPixel/s

7.000 GTexel/s

Texture Rate

2.376 GTexel/s

-

280.0 GFLOPS

FP32 (float)

47.52 GFLOPS

-

Board Design

35W

TDP

25W

200 W

Suggested PSU

200 W

1x DVI 1x DisplayPort 1.1

Outputs

1x DVI 1x VGA 1x S-Video

None

Power Connectors

None

Graphics Processor

Caicos

GPU Name

RV620

Caicos XTX

GPU Variant

RV620 LE

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.37 billion

Transistors

0.181 billion

67 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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