AMD Radeon HD 7970 X2 vs ATI Radeon HD 2400

VS

AMD Radeon HD 7970 X2 ATI Radeon HD 2400

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 X2 and 256MB VRAM ATI Radeon HD 2400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970 X2 's Advantages

Released 4 years and 6 months late

Larger VRAM bandwidth (264.0GB/s vs 7.920GB/s)

2008 additional rendering cores

ATI Radeon HD 2400 's Advantages

Lower TDP (20W vs 500W)

Score

Benchmark

FP32 (float)

Radeon HD 7970 X2 +11740%

3.789 TFLOPS

ATI Radeon HD 2400

0.032 TFLOPS

Radeon HD 7970 X2

VS

ATI Radeon HD 2400

Graphics Card

Aug 2012

Release Date

Feb 2008

Southern Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1375 MHz

Memory Clock

495 MHz

Memory

3GB

Memory Size

256MB

GDDR5

Memory Type

DDR2

384bit

Memory Bus

64bit

264.0GB/s

Bandwidth

7.920GB/s

Render Config

-

SM Count

-

32

Compute Units

2

2048

Shading Units

40

128

TMUs

4

32

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

32 KB

Theoretical Performance

29.60 GPixel/s

Pixel Rate

1.592 GPixel/s

118.4 GTexel/s

Texture Rate

1.592 GTexel/s

-

FP16 (half)

-

3.789 TFLOPS

FP32 (float)

31.84 GFLOPS

947.2 GFLOPS

FP64 (double)

-

Graphics Processor

New Zealand

GPU Name

RV610

-

GPU Variant

-

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

65 nm

4.313 billion

Transistors

0.18 billion

352 mm²

Die Size

85 mm²

Board Design

500W

TDP

20W

900 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x S-Video

3x 8-pin

Power Connectors

None

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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