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

VS

ATI Radeon HD 5770 Mac Edition

ATI Radeon HD 2900 XTX

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 5770 Mac Edition and 512MB VRAM Radeon HD 2900 XTX 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

More VRAM (1024GB vs 512GB)

480 additional rendering cores

Lower TDP (108W vs 240W)

ATI Radeon HD 2900 XTX 's Advantages

Larger VRAM bandwidth (106.0GB/s vs 76.48GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 5770 Mac Edition +185%

1.36 TFLOPS

Radeon HD 2900 XTX

0.476 TFLOPS

Radeon HD 5770 Mac Edition

VS

Radeon HD 2900 XTX

Graphics Card

Jul 2010

Release Date

Unknown

Evergreen

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1195 MHz

Memory Clock

828 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

512bit

76.48GB/s

Bandwidth

106.0GB/s

Render Config

10

Compute Units

4

-

800

Shading Units

320

40

TMUs

16

ROPs

16

-

8 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

256 KB

-

Theoretical Performance

13.60 GPixel/s

Pixel Rate

11.89 GPixel/s

34.00 GTexel/s

Texture Rate

11.89 GTexel/s

-

1360 GFLOPS

FP32 (float)

475.5 GFLOPS

-

Board Design

108W

TDP

240W

300 W

Suggested PSU

550 W

1x DVI 1x DisplayPort 1.1

Outputs

2x DVI 1x S-Video

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

Juniper

GPU Name

R600

Juniper XT (215-0754013)

GPU Variant

R600 XTX A11 (215RGMDKA11FG)

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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