ATI Radeon HD 2600 XT Mac Edition vs AMD Radeon HD 6770 Green Edition

VS

ATI Radeon HD 2600 XT Mac Edition

AMD Radeon HD 6770 Green Edition

We compared two Desktop platform GPUs: 256MB VRAM Radeon HD 2600 XT Mac Edition and 2GB VRAM Radeon HD 6770 Green Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 2600 XT Mac Edition 's Advantages

Larger VRAM bandwidth (25.60GB/s vs 21.34GB/s)

Lower TDP (45W vs 86W)

AMD Radeon HD 6770 Green Edition 's Advantages

Released 5 years and 2 months late

More VRAM (2GB vs 256GB)

600 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 2600 XT Mac Edition

0.168 TFLOPS

Radeon HD 6770 Green Edition +500%

1.008 TFLOPS

Radeon HD 2600 XT Mac Edition

VS

Radeon HD 6770 Green Edition

Graphics Card

Feb 2008

Release Date

Apr 2013

Radeon R600

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

667 MHz

Memory

256MB

Memory Size

2GB

GDDR3

Memory Type

GDDR3

128bit

Memory Bus

128bit

25.60GB/s

Bandwidth

21.34GB/s

Render Config

3

Compute Units

9

-

120

Shading Units

720

8

TMUs

36

4

ROPs

16

-

L1 Cache

8 KB (per CU)

64 KB

L2 Cache

256 KB

-

Theoretical Performance

2.800 GPixel/s

Pixel Rate

11.20 GPixel/s

5.600 GTexel/s

Texture Rate

25.20 GTexel/s

-

168.0 GFLOPS

FP32 (float)

1008 GFLOPS

-

Board Design

45W

TDP

86W

200 W

Suggested PSU

250 W

2x DVI

Outputs

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

None

Power Connectors

-

Graphics Processor

RV630

GPU Name

Juniper

-

GPU Variant

Juniper LE (215-0754009)

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

65 nm

Process Size

40 nm

0.39 billion

Transistors

1.04 billion

153 mm²

Die Size

166 mm²

Graphics Features

10.0 (10_0)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

N/A

OpenCL

1.2

N/A

Vulkan

N/A

-

4.0

Shader Model

5.0

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