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

VS

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

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

Main Differences

AMD Radeon HD 6770 Green Edition 's Advantages

Released 5 years and 2 months late

600 additional rendering cores

ATI Radeon HD 2600 XT Mac Edition 's Advantages

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

Lower TDP (45W vs 86W)

Score

Benchmark

FP32 (float)

Radeon HD 6770 Green Edition +500%

1.008 TFLOPS

Radeon HD 2600 XT Mac Edition

0.168 TFLOPS

Radeon HD 6770 Green Edition

VS

Radeon HD 2600 XT Mac Edition

Graphics Card

Apr 2013

Release Date

Feb 2008

Northern Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

667 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

256MB

GDDR3

Memory Type

GDDR3

128bit

Memory Bus

128bit

21.34GB/s

Bandwidth

25.60GB/s

Render Config

-

SM Count

-

9

Compute Units

3

720

Shading Units

120

36

TMUs

8

16

ROPs

4

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

64 KB

Theoretical Performance

11.20 GPixel/s

Pixel Rate

2.800 GPixel/s

25.20 GTexel/s

Texture Rate

5.600 GTexel/s

-

FP16 (half)

-

1008 GFLOPS

FP32 (float)

168.0 GFLOPS

-

FP64 (double)

-

Graphics Processor

Juniper

GPU Name

RV630

Juniper LE (215-0754009)

GPU Variant

-

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

65 nm

1.04 billion

Transistors

0.39 billion

166 mm²

Die Size

153 mm²

Board Design

86W

TDP

45W

250 W

Suggested PSU

200 W

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

Outputs

2x DVI

-

Power Connectors

None

Graphics Features

11.2 (11_0)

DirectX

10.0 (10_0)

4.4

OpenGL

3.3

1.2

OpenCL

N/A

Vulkan

N/A

-

CUDA

-

5.0

Shader Model

4.0

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