AMD Radeon HD 7770 GHz Edition vs ATI Radeon HD 2600 XT AGP

VS

AMD Radeon HD 7770 GHz Edition ATI Radeon HD 2600 XT AGP

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7770 GHz Edition and 256MB VRAM Radeon HD 2600 XT AGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7770 GHz Edition 's Advantages

Released 4 years and 8 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (72.00GB/s vs 25.60GB/s)

520 additional rendering cores

ATI Radeon HD 2600 XT AGP 's Advantages

Lower TDP (45W vs 80W)

Score

Benchmark

FP32 (float)

Radeon HD 7770 GHz Edition +566%

1.28 TFLOPS

Radeon HD 2600 XT AGP

0.192 TFLOPS

Radeon HD 7770 GHz Edition

VS

Radeon HD 2600 XT AGP

Graphics Card

Feb 2012

Release Date

Jun 2007

Southern Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

AGP 8x

Clock Speeds

-

Base Clock

-

Boost Clock

-

1125 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

72.00GB/s

Bandwidth

25.60GB/s

Render Config

-

SM Count

-

10

Compute Units

3

640

Shading Units

120

40

TMUs

8

16

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

64 KB

Theoretical Performance

16.00 GPixel/s

Pixel Rate

3.200 GPixel/s

40.00 GTexel/s

Texture Rate

6.400 GTexel/s

-

FP16 (half)

-

1280 GFLOPS

FP32 (float)

192.0 GFLOPS

80.00 GFLOPS

FP64 (double)

-

Graphics Processor

Cape Verde

GPU Name

RV630

Cape Verde XT

GPU Variant

RV630 XT (215CDABKA15FG)

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

65 nm

1.5 billion

Transistors

0.39 billion

123 mm²

Die Size

153 mm²

Board Design

80W

TDP

45W

250 W

Suggested PSU

200 W

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

Outputs

1x DVI 1x VGA 1x S-Video

1x 6-pin

Power Connectors

1x 6-pin

Graphics Features

12 (11_1)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

CUDA

-

5.1

Shader Model

4.0

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