ATI Radeon HD 5770 X2 vs ATI Radeon HD 4750

VS

ATI Radeon HD 5770 X2

ATI Radeon HD 4750

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 5770 X2 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 5770 X2 's Advantages

Released 1 years and 1 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (76.80GB/s vs 51.20GB/s)

160 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 5770 X2 +45%

1.36 TFLOPS

Radeon HD 4750

0.934 TFLOPS

Radeon HD 5770 X2

VS

Radeon HD 4750

Graphics Card

Oct 2010

Release Date

Sep 2009

Evergreen

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1200 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

76.80GB/s

Bandwidth

51.20GB/s

Render Config

10

Compute Units

8

-

800

Shading Units

640

40

TMUs

32

16

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

13.60 GPixel/s

Pixel Rate

11.68 GPixel/s

34.00 GTexel/s

Texture Rate

23.36 GTexel/s

-

1360 GFLOPS

FP32 (float)

934.4 GFLOPS

-

FP64 (double)

186.9 GFLOPS

Board Design

Unknown

TDP

100W

200 W

Suggested PSU

300 W

2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1

Outputs

2x DVI 1x S-Video

-

Power Connectors

1x 6-pin

Graphics Processor

Juniper

GPU Name

RV740

Juniper XT (215-0754013)

GPU Variant

RV740 PRO

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.04 billion

Transistors

0.826 billion

166 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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