NVIDIA GeForce GTX 670 vs AMD Radeon R9 255 OEM

VS

NVIDIA GeForce GTX 670 AMD Radeon R9 255 OEM

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 670 and 2GB VRAM Radeon R9 255 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 670 's Advantages

Boost Clock has increased by 5% (980MHz vs 930MHz)

Larger VRAM bandwidth (192.3GB/s vs 73.60GB/s)

832 additional rendering cores

AMD Radeon R9 255 OEM 's Advantages

Released 1 years and 7 months late

Lower TDP (65W vs 170W)

Score

Benchmark

FP32 (float)

GeForce GTX 670 +176%

2.634 TFLOPS

Radeon R9 255 OEM

0.952 TFLOPS

GeForce GTX 670

VS

Radeon R9 255 OEM

Graphics Card

May 2012

Release Date

Dec 2013

GeForce 600

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

915 MHz

Base Clock

900 MHz

980 MHz

Boost Clock

930 MHz

1502 MHz

Memory Clock

1150 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

192.3GB/s

Bandwidth

73.60GB/s

Render Config

-

SM Count

-

Compute Units

8

1344

Shading Units

512

112

TMUs

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

Theoretical Performance

27.44 GPixel/s

Pixel Rate

14.88 GPixel/s

109.8 GTexel/s

Texture Rate

29.76 GTexel/s

-

FP16 (half)

-

2.634 TFLOPS

FP32 (float)

952.3 GFLOPS

109.8 GFLOPS

FP64 (double)

59.52 GFLOPS

Graphics Processor

GK104

GPU Name

Cape Verde

GK104-325-A2

GPU Variant

Cape Verde PRX

Kepler

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

1.5 billion

294 mm²

Die Size

123 mm²

Board Design

170W

TDP

65W

450 W

Suggested PSU

250 W

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

Outputs

No outputs

2x 6-pin

Power Connectors

1x 6-pin

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

5.1

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