AMD Radeon HD 7970 vs ATI Radeon HD 2600 XT AGP

VS

AMD Radeon HD 7970 ATI Radeon HD 2600 XT AGP

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 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 7970 's Advantages

Released 4 years and 6 months late

Larger VRAM bandwidth (264.0GB/s vs 25.60GB/s)

1928 additional rendering cores

ATI Radeon HD 2600 XT AGP 's Advantages

Lower TDP (45W vs 250W)

Score

Benchmark

FP32 (float)

Radeon HD 7970 +1873%

3.789 TFLOPS

Radeon HD 2600 XT AGP

0.192 TFLOPS

Radeon HD 7970

VS

Radeon HD 2600 XT AGP

Graphics Card

Dec 2011

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

-

1375 MHz

Memory Clock

800 MHz

Memory

3GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

128bit

264.0GB/s

Bandwidth

25.60GB/s

Render Config

-

SM Count

-

32

Compute Units

3

2048

Shading Units

120

128

TMUs

8

32

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

64 KB

Theoretical Performance

29.60 GPixel/s

Pixel Rate

3.200 GPixel/s

118.4 GTexel/s

Texture Rate

6.400 GTexel/s

-

FP16 (half)

-

3.789 TFLOPS

FP32 (float)

192.0 GFLOPS

947.2 GFLOPS

FP64 (double)

-

Graphics Processor

Tahiti

GPU Name

RV630

Tahiti XT (215-0821060)

GPU Variant

RV630 XT (215CDABKA15FG)

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

65 nm

4.313 billion

Transistors

0.39 billion

352 mm²

Die Size

153 mm²

Board Design

250W

TDP

45W

600 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 + 1x 8-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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