NVIDIA GeForce GTX 670 vs AMD Radeon HD 6930

VS

NVIDIA GeForce GTX 670

AMD Radeon HD 6930

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 670 and 1024MB VRAM Radeon HD 6930 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 670 's Advantages

Boost Clock980MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (192.3GB/s vs 153.6GB/s)

64 additional rendering cores

Lower TDP (170W vs 186W)

Score

Benchmark

FP32 (float)

GeForce GTX 670 +37%

2.634 TFLOPS

Radeon HD 6930

1.92 TFLOPS

GeForce GTX 670

VS

Radeon HD 6930

Graphics Card

May 2012

Release Date

Dec 2011

GeForce 600

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

915 MHz

Base Clock

-

980 MHz

Boost Clock

-

1502 MHz

Memory Clock

1200 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

192.3GB/s

Bandwidth

153.6GB/s

Render Config

-

Compute Units

20

-

1344

Shading Units

1280

112

TMUs

80

32

ROPs

32

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

27.44 GPixel/s

Pixel Rate

24.00 GPixel/s

109.8 GTexel/s

Texture Rate

60.00 GTexel/s

-

2.634 TFLOPS

FP32 (float)

1.920 TFLOPS

109.8 GFLOPS

FP64 (double)

480.0 GFLOPS

Board Design

170W

TDP

186W

450 W

Suggested PSU

450 W

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

Outputs

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

2x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

GK104

GPU Name

Cayman

GK104-325-A2

GPU Variant

Cayman CE (215-0807105)

Kepler

Architecture

TeraScale 3

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

3.54 billion

Transistors

2.64 billion

294 mm²

Die Size

389 mm²

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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