AMD Radeon HD 6670 vs NVIDIA GeForce GTX 275 PhysX Edition

VS

AMD Radeon HD 6670

NVIDIA GeForce GTX 275 PhysX Edition

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6670 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 6670 's Advantages

Released 1 years and 2 months late

More VRAM (1024GB vs 896GB)

240 additional rendering cores

Lower TDP (66W vs 219W)

NVIDIA GeForce GTX 275 PhysX Edition 's Advantages

Larger VRAM bandwidth (127.0GB/s vs 64.00GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 6670 +23%

0.768 TFLOPS

GeForce GTX 275 PhysX Edition

0.622 TFLOPS

Radeon HD 6670

VS

GeForce GTX 275 PhysX Edition

Graphics Card

Apr 2011

Release Date

Feb 2010

Northern Islands

Generation

GeForce 200

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

1134 MHz

Memory

1024MB

Memory Size

896MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

448bit

64.00GB/s

Bandwidth

127.0GB/s

Render Config

6

Compute Units

-

SM Count

30

480

Shading Units

240

24

TMUs

80

8

ROPs

28

-

8 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

224 KB

-

Theoretical Performance

6.400 GPixel/s

Pixel Rate

17.72 GPixel/s

19.20 GTexel/s

Texture Rate

50.64 GTexel/s

-

768.0 GFLOPS

FP32 (float)

622.1 GFLOPS

-

FP64 (double)

77.76 GFLOPS

Board Design

66W

TDP

219W

250 W

Suggested PSU

550 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

2x DVI

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Turks

GPU Name

G92B

Turks XT (215-0803000)

GPU Variant

G92-421-B1

TeraScale 2

Architecture

Tesla

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.716 billion

Transistors

0.754 billion

118 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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