NVIDIA GeForce GTX 275 vs ATI Radeon HD 5970

VS

NVIDIA GeForce GTX 275

ATI Radeon HD 5970

We compared two Desktop platform GPUs: 896MB VRAM GeForce GTX 275 and 1024MB VRAM ATI Radeon HD 5970 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 294W)

ATI Radeon HD 5970 's Advantages

Released 10 months late

More VRAM (1024GB vs 896GB)

Larger VRAM bandwidth (128.0GB/s vs 127.0GB/s)

1360 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 275

0.674 TFLOPS

ATI Radeon HD 5970 +244%

2.32 TFLOPS

GeForce GTX 275

VS

ATI Radeon HD 5970

Graphics Card

Jan 2009

Release Date

Nov 2009

GeForce 200

Generation

Evergreen

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1134 MHz

Memory Clock

1000 MHz

Memory

896MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

448bit

Memory Bus

256bit

127.0GB/s

Bandwidth

128.0GB/s

Render Config

-

Compute Units

20

30

SM Count

-

240

Shading Units

1600

80

TMUs

80

28

ROPs

32

-

L1 Cache

8 KB (per CU)

224 KB

L2 Cache

512 KB

-

Theoretical Performance

17.72 GPixel/s

Pixel Rate

23.20 GPixel/s

50.64 GTexel/s

Texture Rate

58.00 GTexel/s

-

673.9 GFLOPS

FP32 (float)

2.320 TFLOPS

84.24 GFLOPS

FP64 (double)

464.0 GFLOPS

Board Design

219W

TDP

294W

550 W

Suggested PSU

600 W

2x DVI

Outputs

2x DVI 1x mini-DisplayPort 1.1

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GT200B

GPU Name

Hemlock

G200-105-B3

GPU Variant

Hemlock XT (215-0735075)

Tesla 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

1.4 billion

Transistors

2.154 billion

470 mm²

Die Size

334 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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