AMD Radeon HD 6970 X2 vs ATI Radeon HD 2900 XTX

VS

AMD Radeon HD 6970 X2 ATI Radeon HD 2900 XTX

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6970 X2 and 512MB VRAM Radeon HD 2900 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6970 X2 's Advantages

Larger VRAM bandwidth (176.0GB/s vs 106.0GB/s)

1216 additional rendering cores

ATI Radeon HD 2900 XTX 's Advantages

Lower TDP (240W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 6970 X2 +467%

2.703 TFLOPS

Radeon HD 2900 XTX

0.476 TFLOPS

Radeon HD 6970 X2

VS

Radeon HD 2900 XTX

Graphics Card

Unknown

Release Date

Unknown

Northern Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1375 MHz

Memory Clock

828 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

512bit

176.0GB/s

Bandwidth

106.0GB/s

Render Config

-

SM Count

-

24

Compute Units

4

1536

Shading Units

320

96

TMUs

16

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

256 KB

Theoretical Performance

28.16 GPixel/s

Pixel Rate

11.89 GPixel/s

84.48 GTexel/s

Texture Rate

11.89 GTexel/s

-

FP16 (half)

-

2.703 TFLOPS

FP32 (float)

475.5 GFLOPS

-

FP64 (double)

-

Graphics Processor

Antilles

GPU Name

R600

Antilles XT (215-0807027)

GPU Variant

R600 XTX A11 (215RGMDKA11FG)

TeraScale 3

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

80 nm

2.64 billion

Transistors

0.72 billion

389 mm²

Die Size

420 mm²

Board Design

375W

TDP

240W

750 W

Suggested PSU

550 W

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

Outputs

2x DVI 1x S-Video

3x 8-pin

Power Connectors

2x 6-pin

Graphics Features

11.2 (11_0)

DirectX

10.0 (10_0)

4.4

OpenGL

3.3 (full) 4.0 (partial)

1.2

OpenCL

N/A

Vulkan

N/A

-

CUDA

-

5.0

Shader Model

4.0

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