ATI Radeon HD 5970 vs ATI Radeon HD 4750

VS

ATI Radeon HD 5970

ATI Radeon HD 4750

We compared two Desktop platform GPUs: 1024MB VRAM ATI Radeon HD 5970 and 512MB VRAM Radeon HD 4750 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5970 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (128.0GB/s vs 51.20GB/s)

960 additional rendering cores

ATI Radeon HD 4750 's Advantages

Lower TDP (100W vs 294W)

Score

Benchmark

FP32 (float)

ATI Radeon HD 5970 +148%

2.32 TFLOPS

Radeon HD 4750

0.934 TFLOPS

ATI Radeon HD 5970

VS

Radeon HD 4750

Graphics Card

Nov 2009

Release Date

Sep 2009

Evergreen

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

128.0GB/s

Bandwidth

51.20GB/s

Render Config

20

Compute Units

8

-

1600

Shading Units

640

80

TMUs

32

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

23.20 GPixel/s

Pixel Rate

11.68 GPixel/s

58.00 GTexel/s

Texture Rate

23.36 GTexel/s

-

2.320 TFLOPS

FP32 (float)

934.4 GFLOPS

464.0 GFLOPS

FP64 (double)

186.9 GFLOPS

Board Design

294W

TDP

100W

600 W

Suggested PSU

300 W

2x DVI 1x mini-DisplayPort 1.1

Outputs

2x DVI 1x S-Video

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Hemlock

GPU Name

RV740

Hemlock XT (215-0735075)

GPU Variant

RV740 PRO

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

2.154 billion

Transistors

0.826 billion

334 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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