NVIDIA GeForce GTX 660 vs AMD Radeon R9 FURY X2

VS

NVIDIA GeForce GTX 660

AMD Radeon R9 FURY X2

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 and 4GB VRAM Radeon R9 FURY X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 's Advantages

Boost Clock1032MHz

AMD Radeon R9 FURY X2 's Advantages

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 144.2GB/s)

3136 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 660

1.981 TFLOPS

Radeon R9 FURY X2 +334%

8.602 TFLOPS

GeForce GTX 660

VS

Radeon R9 FURY X2

Graphics Card

Sep 2012

Release Date

Unknown

GeForce 600

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

980 MHz

Base Clock

-

1032 MHz

Boost Clock

-

1502 MHz

Memory Clock

500 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

HBM

192bit

Memory Bus

4096bit

144.2GB/s

Bandwidth

512.0GB/s

Render Config

-

Compute Units

64

-

960

Shading Units

4096

80

TMUs

256

24

ROPs

64

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

2 MB

-

Theoretical Performance

20.64 GPixel/s

Pixel Rate

67.20 GPixel/s

82.56 GTexel/s

Texture Rate

268.8 GTexel/s

-

1.981 TFLOPS

FP32 (float)

8.602 TFLOPS

82.56 GFLOPS

FP64 (double)

-

Board Design

140W

TDP

Unknown

300 W

Suggested PSU

200 W

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

Outputs

1x HDMI 1.4a 3x DisplayPort 1.2

1x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

GK106

GPU Name

Capsaicin

GK106-400-A1

GPU Variant

Capsaicin XT C9

Kepler

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.54 billion

Transistors

8.9 billion

221 mm²

Die Size

596 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.1

Vulkan

1.2.170

3.0

CUDA

-

5.1

Shader Model

6.5

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