ATI Radeon HD 5770 Mac Edition vs ATI Radeon HD 4850 X2

VS

ATI Radeon HD 5770 Mac Edition

ATI Radeon HD 4850 X2

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 5770 Mac Edition and 512MB VRAM Radeon HD 4850 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5770 Mac Edition 's Advantages

Released 1 years and 8 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (76.48GB/s vs 63.68GB/s)

Lower TDP (108W vs 250W)

Score

Benchmark

FP32 (float)

Radeon HD 5770 Mac Edition +36%

1.36 TFLOPS

Radeon HD 4850 X2

1 TFLOPS

Radeon HD 5770 Mac Edition

VS

Radeon HD 4850 X2

Graphics Card

Jul 2010

Release Date

Nov 2008

Evergreen

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1195 MHz

Memory Clock

995 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

256bit

76.48GB/s

Bandwidth

63.68GB/s

Render Config

10

Compute Units

10

-

800

Shading Units

800

40

TMUs

40

16

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

13.60 GPixel/s

Pixel Rate

10.00 GPixel/s

34.00 GTexel/s

Texture Rate

25.00 GTexel/s

-

1360 GFLOPS

FP32 (float)

1000 GFLOPS

-

FP64 (double)

200.0 GFLOPS

Board Design

108W

TDP

250W

300 W

Suggested PSU

600 W

1x DVI 1x DisplayPort 1.1

Outputs

4x DVI 1x S-Video

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Juniper

GPU Name

R700

Juniper XT (215-0754013)

GPU Variant

R700 PRO (215-0669065)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

1.04 billion

Transistors

0.956 billion

166 mm²

Die Size

256 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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