ATI Radeon HD 4770 vs ATI Radeon HD 5870 Mac Edition

VS

ATI Radeon HD 4770

ATI Radeon HD 5870 Mac Edition

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4770 and 1024MB VRAM Radeon HD 5870 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4770 's Advantages

Lower TDP (80W vs 228W)

ATI Radeon HD 5870 Mac Edition 's Advantages

Released 1 years and 2 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (153.0GB/s vs 51.20GB/s)

960 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 4770

0.96 TFLOPS

Radeon HD 5870 Mac Edition +183%

2.72 TFLOPS

Radeon HD 4770

VS

Radeon HD 5870 Mac Edition

Graphics Card

Apr 2009

Release Date

Jun 2010

Radeon R700

Generation

Evergreen

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

1195 MHz

Memory

512MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

51.20GB/s

Bandwidth

153.0GB/s

Render Config

8

Compute Units

20

-

640

Shading Units

1600

32

TMUs

80

16

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

27.20 GPixel/s

24.00 GTexel/s

Texture Rate

68.00 GTexel/s

-

960.0 GFLOPS

FP32 (float)

2.720 TFLOPS

192.0 GFLOPS

FP64 (double)

544.0 GFLOPS

Board Design

80W

TDP

228W

250 W

Suggested PSU

550 W

2x DVI 1x S-Video

Outputs

1x DVI 2x mini-DisplayPort 1.1

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

RV740

GPU Name

Cypress

RV740 XT (215-0727019)

GPU Variant

Cypress XT (215-0735033)

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.826 billion

Transistors

2.154 billion

137 mm²

Die Size

334 mm²

Graphics Features

10.1 (10_1)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

-

4.1

Shader Model

5.0

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