NVIDIA GeForce GTX 660 OEM vs AMD Radeon HD 7670 OEM

VS

NVIDIA GeForce GTX 660 OEM AMD Radeon HD 7670 OEM

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 660 OEM and 512MB VRAM Radeon HD 7670 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 OEM 's Advantages

Released 7 months late

Boost Clock888MHz

More VRAM (1536GB vs 512GB)

Larger VRAM bandwidth (134.4GB/s vs 64.00GB/s)

672 additional rendering cores

AMD Radeon HD 7670 OEM 's Advantages

Lower TDP (66W vs 130W)

Score

Benchmark

FP32 (float)

GeForce GTX 660 OEM +166%

2.046 TFLOPS

Radeon HD 7670 OEM

0.768 TFLOPS

GeForce GTX 660 OEM

VS

Radeon HD 7670 OEM

Graphics Card

Aug 2012

Release Date

Jan 2012

GeForce 600

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

823 MHz

Base Clock

-

888 MHz

Boost Clock

-

1400 MHz

Memory Clock

1000 MHz

Memory

1536MB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

128bit

134.4GB/s

Bandwidth

64.00GB/s

Render Config

-

SM Count

-

Compute Units

6

1152

Shading Units

480

96

TMUs

24

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

384 KB

L2 Cache

256 KB

Theoretical Performance

21.31 GPixel/s

Pixel Rate

6.400 GPixel/s

85.25 GTexel/s

Texture Rate

19.20 GTexel/s

-

FP16 (half)

-

2.046 TFLOPS

FP32 (float)

768.0 GFLOPS

85.25 GFLOPS

FP64 (double)

-

Graphics Processor

GK104

GPU Name

Turks

GK104-200-KD-A2

GPU Variant

Turks XT (215-0803000)

Kepler

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

3.54 billion

Transistors

0.716 billion

294 mm²

Die Size

118 mm²

Board Design

130W

TDP

66W

300 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x DisplayPort 1.1 1x VGA

1x 6-pin

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

5.0

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