ATI Radeon HD 4860 vs ATI Radeon HD 5770 Mac Edition

VS

ATI Radeon HD 4860

ATI Radeon HD 5770 Mac Edition

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4860 and 1024MB VRAM Radeon HD 5770 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4860 's Advantages

Larger VRAM bandwidth (96.00GB/s vs 76.48GB/s)

ATI Radeon HD 5770 Mac Edition 's Advantages

Released 10 months late

More VRAM (1024GB vs 512GB)

160 additional rendering cores

Lower TDP (108W vs 130W)

Score

Benchmark

FP32 (float)

Radeon HD 4860

0.896 TFLOPS

Radeon HD 5770 Mac Edition +51%

1.36 TFLOPS

Radeon HD 4860

VS

Radeon HD 5770 Mac Edition

Graphics Card

Sep 2009

Release Date

Jul 2010

Radeon R700

Generation

Evergreen

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

750 MHz

Memory Clock

1195 MHz

Memory

512MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

96.00GB/s

Bandwidth

76.48GB/s

Render Config

8

Compute Units

10

-

640

Shading Units

800

32

TMUs

40

16

ROPs

16

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

11.20 GPixel/s

Pixel Rate

13.60 GPixel/s

22.40 GTexel/s

Texture Rate

34.00 GTexel/s

-

896.0 GFLOPS

FP32 (float)

1360 GFLOPS

179.2 GFLOPS

FP64 (double)

-

Board Design

130W

TDP

108W

300 W

Suggested PSU

300 W

2x DVI 1x S-Video

Outputs

1x DVI 1x DisplayPort 1.1

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

RV790

GPU Name

Juniper

RV790 GT

GPU Variant

Juniper XT (215-0754013)

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.959 billion

Transistors

1.04 billion

282 mm²

Die Size

166 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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