AMD Radeon HD 6970 X2 vs NVIDIA GeForce GTX 275 PhysX Edition

VS

AMD Radeon HD 6970 X2

NVIDIA GeForce GTX 275 PhysX Edition

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6970 X2 and 896MB VRAM GeForce GTX 275 PhysX Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6970 X2 's Advantages

More VRAM (2GB vs 896GB)

Larger VRAM bandwidth (176.0GB/s vs 127.0GB/s)

1296 additional rendering cores

NVIDIA GeForce GTX 275 PhysX Edition 's Advantages

Lower TDP (219W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 6970 X2 +334%

2.703 TFLOPS

GeForce GTX 275 PhysX Edition

0.622 TFLOPS

Radeon HD 6970 X2

VS

GeForce GTX 275 PhysX Edition

Graphics Card

Unknown

Release Date

Feb 2010

Northern Islands

Generation

GeForce 200

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1375 MHz

Memory Clock

1134 MHz

Memory

2GB

Memory Size

896MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

448bit

176.0GB/s

Bandwidth

127.0GB/s

Render Config

24

Compute Units

-

SM Count

30

1536

Shading Units

240

96

TMUs

80

32

ROPs

28

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

224 KB

-

Theoretical Performance

28.16 GPixel/s

Pixel Rate

17.72 GPixel/s

84.48 GTexel/s

Texture Rate

50.64 GTexel/s

-

2.703 TFLOPS

FP32 (float)

622.1 GFLOPS

-

FP64 (double)

77.76 GFLOPS

Board Design

375W

TDP

219W

750 W

Suggested PSU

550 W

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

Outputs

2x DVI

3x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Antilles

GPU Name

G92B

Antilles XT (215-0807027)

GPU Variant

G92-421-B1

TeraScale 3

Architecture

Tesla

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

2.64 billion

Transistors

0.754 billion

389 mm²

Die Size

260 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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