ATI Radeon HD 5770 Mac Edition vs ATI Radeon HD 2900 GT

VS

ATI Radeon HD 5770 Mac Edition

ATI Radeon HD 2900 GT

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 5770 Mac Edition and 256MB VRAM Radeon HD 2900 GT 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 2 years and 8 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (76.48GB/s vs 51.20GB/s)

560 additional rendering cores

Lower TDP (108W vs 150W)

Score

Benchmark

FP32 (float)

Radeon HD 5770 Mac Edition +372%

1.36 TFLOPS

Radeon HD 2900 GT

0.288 TFLOPS

Radeon HD 5770 Mac Edition

VS

Radeon HD 2900 GT

Graphics Card

Jul 2010

Release Date

Nov 2007

Evergreen

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1195 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

256bit

76.48GB/s

Bandwidth

51.20GB/s

Render Config

10

Compute Units

3

-

800

Shading Units

240

40

TMUs

12

16

ROPs

12

-

8 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

128 KB

-

Theoretical Performance

13.60 GPixel/s

Pixel Rate

7.212 GPixel/s

34.00 GTexel/s

Texture Rate

7.212 GTexel/s

-

1360 GFLOPS

FP32 (float)

288.5 GFLOPS

-

Board Design

108W

TDP

150W

300 W

Suggested PSU

450 W

1x DVI 1x DisplayPort 1.1

Outputs

2x DVI 1x S-Video

1x 6-pin

Power Connectors

1x 8-pin

Graphics Processor

Juniper

GPU Name

R600

Juniper XT (215-0754013)

GPU Variant

R600 GT (215RGFDKA13FG)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

80 nm

1.04 billion

Transistors

0.72 billion

166 mm²

Die Size

420 mm²

Graphics Features

11.2 (11_0)

DirectX

10.0 (10_0)

4.4

OpenGL

3.3 (full) 4.0 (partial)

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

4.0

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