NVIDIA GeForce GTX 275 vs AMD Radeon HD 6970 X2

VS

NVIDIA GeForce GTX 275

AMD Radeon HD 6970 X2

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

Main Differences

NVIDIA GeForce GTX 275 's Advantages

Lower TDP (219W vs 375W)

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

Score

Benchmark

FP32 (float)

GeForce GTX 275

0.674 TFLOPS

Radeon HD 6970 X2 +301%

2.703 TFLOPS

GeForce GTX 275

VS

Radeon HD 6970 X2

Graphics Card

Jan 2009

Release Date

Unknown

GeForce 200

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1134 MHz

Memory Clock

1375 MHz

Memory

896MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

448bit

Memory Bus

256bit

127.0GB/s

Bandwidth

176.0GB/s

Render Config

-

Compute Units

24

30

SM Count

-

240

Shading Units

1536

80

TMUs

96

28

ROPs

32

-

L1 Cache

8 KB (per CU)

224 KB

L2 Cache

512 KB

-

Theoretical Performance

17.72 GPixel/s

Pixel Rate

28.16 GPixel/s

50.64 GTexel/s

Texture Rate

84.48 GTexel/s

-

673.9 GFLOPS

FP32 (float)

2.703 TFLOPS

84.24 GFLOPS

FP64 (double)

-

Board Design

219W

TDP

375W

550 W

Suggested PSU

750 W

2x DVI

Outputs

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

2x 6-pin

Power Connectors

3x 8-pin

Graphics Processor

GT200B

GPU Name

Antilles

G200-105-B3

GPU Variant

Antilles XT (215-0807027)

Tesla 2.0

Architecture

TeraScale 3

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

1.4 billion

Transistors

2.64 billion

470 mm²

Die Size

389 mm²

Graphics Features

11.1 (10_0)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

1.3

CUDA

-

4.0

Shader Model

5.0

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