ATI Radeon HD 2600 PRO AGP vs AMD Radeon HD 7970

VS

ATI Radeon HD 2600 PRO AGP

AMD Radeon HD 7970

We compared two Desktop platform GPUs: 512MB VRAM ATI Radeon HD 2600 PRO AGP and 3GB VRAM Radeon HD 7970 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 2600 PRO AGP 's Advantages

Lower TDP (35W vs 250W)

AMD Radeon HD 7970 's Advantages

Released 4 years and 6 months late

More VRAM (3GB vs 512GB)

Larger VRAM bandwidth (264.0GB/s vs 12.67GB/s)

1928 additional rendering cores

Score

Benchmark

FP32 (float)

ATI Radeon HD 2600 PRO AGP

0.143 TFLOPS

Radeon HD 7970 +2549%

3.789 TFLOPS

ATI Radeon HD 2600 PRO AGP

VS

Radeon HD 7970

Graphics Card

Jun 2007

Release Date

Dec 2011

Radeon R600

Generation

Southern Islands

Desktop

Type

Desktop

AGP 8x

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

396 MHz

Memory Clock

1375 MHz

Memory

512MB

Memory Size

3GB

DDR2

Memory Type

GDDR5

128bit

Memory Bus

384bit

12.67GB/s

Bandwidth

264.0GB/s

Render Config

3

Compute Units

32

-

120

Shading Units

2048

8

TMUs

128

4

ROPs

32

-

L1 Cache

16 KB (per CU)

64 KB

L2 Cache

768 KB

-

Theoretical Performance

2.376 GPixel/s

Pixel Rate

29.60 GPixel/s

4.752 GTexel/s

Texture Rate

118.4 GTexel/s

-

142.6 GFLOPS

FP32 (float)

3.789 TFLOPS

-

FP64 (double)

947.2 GFLOPS

Board Design

35W

TDP

250W

200 W

Suggested PSU

600 W

1x DVI 1x VGA 1x S-Video

Outputs

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

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

RV630

GPU Name

Tahiti

RV630 PRO (215CDBBKA15FG)

GPU Variant

Tahiti XT (215-0821060)

TeraScale

Architecture

GCN 1.0

TSMC

Foundry

TSMC

65 nm

Process Size

28 nm

0.39 billion

Transistors

4.313 billion

153 mm²

Die Size

352 mm²

Graphics Features

10.0 (10_0)

DirectX

12 (11_1)

3.3

OpenGL

4.6

N/A

OpenCL

1.2

N/A

Vulkan

1.2

-

4.0

Shader Model

5.1

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