AMD Radeon HD 6970 vs ATI Radeon HD 2400 XT

VS

AMD Radeon HD 6970

ATI Radeon HD 2400 XT

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6970 and 256MB VRAM ATI Radeon HD 2400 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6970 's Advantages

Released 3 years and 6 months late

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (176.0GB/s vs 8.000GB/s)

1496 additional rendering cores

ATI Radeon HD 2400 XT 's Advantages

Lower TDP (25W vs 250W)

Score

Benchmark

FP32 (float)

Radeon HD 6970 +5098%

2.703 TFLOPS

ATI Radeon HD 2400 XT

0.052 TFLOPS

Radeon HD 6970

VS

ATI Radeon HD 2400 XT

Graphics Card

Dec 2010

Release Date

Jun 2007

Northern Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1375 MHz

Memory Clock

500 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

64bit

176.0GB/s

Bandwidth

8.000GB/s

Render Config

24

Compute Units

2

-

1536

Shading Units

40

96

TMUs

4

32

ROPs

4

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

32 KB

-

Theoretical Performance

28.16 GPixel/s

Pixel Rate

2.600 GPixel/s

84.48 GTexel/s

Texture Rate

2.600 GTexel/s

-

2.703 TFLOPS

FP32 (float)

52.00 GFLOPS

675.8 GFLOPS

FP64 (double)

-

Board Design

250W

TDP

25W

600 W

Suggested PSU

200 W

2x 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

None

Graphics Processor

Cayman

GPU Name

RV610

Cayman XT (215-0807007)

GPU Variant

RV610 PRO (215LKCAKA14FG)

TeraScale 3

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

65 nm

2.64 billion

Transistors

0.18 billion

389 mm²

Die Size

85 mm²

Graphics Features

11.2 (11_0)

DirectX

10.0 (10_0)

4.4

OpenGL

3.3

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

4.0

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