AMD Radeon HD 6970 vs NVIDIA GeForce GTX 280

VS

AMD Radeon HD 6970

NVIDIA GeForce GTX 280

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6970 and 1024MB VRAM GeForce GTX 280 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6970 's Advantages

Released 2 years and 6 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (176.0GB/s vs 141.7GB/s)

1296 additional rendering cores

NVIDIA GeForce GTX 280 's Advantages

Lower TDP (236W vs 250W)

Score

Benchmark

FP32 (float)

Radeon HD 6970 +334%

2.703 TFLOPS

GeForce GTX 280

0.622 TFLOPS

Radeon HD 6970

VS

GeForce GTX 280

Graphics Card

Dec 2010

Release Date

Jun 2008

Northern Islands

Generation

GeForce 200

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1375 MHz

Memory Clock

1107 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

512bit

176.0GB/s

Bandwidth

141.7GB/s

Render Config

24

Compute Units

-

SM Count

30

1536

Shading Units

240

96

TMUs

80

32

ROPs

32

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

256 KB

-

Theoretical Performance

28.16 GPixel/s

Pixel Rate

19.26 GPixel/s

84.48 GTexel/s

Texture Rate

48.16 GTexel/s

-

2.703 TFLOPS

FP32 (float)

622.1 GFLOPS

675.8 GFLOPS

FP64 (double)

77.76 GFLOPS

Board Design

250W

TDP

236W

600 W

Suggested PSU

550 W

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

Outputs

2x DVI 1x S-Video

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Cayman

GPU Name

GT200

Cayman XT (215-0807007)

GPU Variant

G200-300-A2

TeraScale 3

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

65 nm

2.64 billion

Transistors

1.4 billion

389 mm²

Die Size

576 mm²

Graphics Features

11.2 (11_0)

DirectX

11.1 (10_0)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.3

5.0

Shader Model

4.0

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