AMD Radeon HD 8490 OEM vs ATI Radeon HD 4750

VS

AMD Radeon HD 8490 OEM

ATI Radeon HD 4750

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 8490 OEM and 512MB VRAM Radeon HD 4750 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 3 years and 10 months late

More VRAM (1024GB vs 512GB)

Lower TDP (35W vs 100W)

ATI Radeon HD 4750 's Advantages

Larger VRAM bandwidth (51.20GB/s vs 14.40GB/s)

480 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8490 OEM

0.28 TFLOPS

Radeon HD 4750 +233%

0.934 TFLOPS

Radeon HD 8490 OEM

VS

Radeon HD 4750

Graphics Card

Jul 2013

Release Date

Sep 2009

Sea Islands

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

512MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

51.20GB/s

Render Config

2

Compute Units

8

-

160

Shading Units

640

8

TMUs

32

4

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

128 KB

-

Theoretical Performance

3.500 GPixel/s

Pixel Rate

11.68 GPixel/s

7.000 GTexel/s

Texture Rate

23.36 GTexel/s

-

280.0 GFLOPS

FP32 (float)

934.4 GFLOPS

-

FP64 (double)

186.9 GFLOPS

Board Design

35W

TDP

100W

200 W

Suggested PSU

300 W

1x DVI 1x DisplayPort 1.1

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 6-pin

Graphics Processor

Caicos

GPU Name

RV740

Caicos XTX

GPU Variant

RV740 PRO

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.37 billion

Transistors

0.826 billion

67 mm²

Die Size

137 mm²

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

5.0

Shader Model

4.1

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