AMD Radeon R9 260 OEM vs NVIDIA GeForce GTX 660 Rev. 2

VS

AMD Radeon R9 260 OEM

NVIDIA GeForce GTX 660 Rev. 2

We compared two Desktop platform GPUs: 1024MB VRAM Radeon R9 260 OEM and 2GB VRAM GeForce GTX 660 Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 260 OEM 's Advantages

Lower TDP (85W vs 140W)

NVIDIA GeForce GTX 660 Rev. 2 's Advantages

Released 9 months late

Boost Clock1032MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (144.2GB/s vs 104.0GB/s)

64 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 260 OEM

1.971 TFLOPS

GeForce GTX 660 Rev. 2

1.981 TFLOPS

Radeon R9 260 OEM

VS

GeForce GTX 660 Rev. 2

Graphics Card

Dec 2013

Release Date

Sep 2014

Volcanic Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

980 MHz

-

Boost Clock

1032 MHz

1625 MHz

Memory Clock

1502 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

192bit

104.0GB/s

Bandwidth

144.2GB/s

Render Config

14

Compute Units

-

896

Shading Units

960

56

TMUs

80

16

ROPs

24

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

384 KB

-

Theoretical Performance

17.60 GPixel/s

Pixel Rate

20.64 GPixel/s

61.60 GTexel/s

Texture Rate

82.56 GTexel/s

-

1.971 TFLOPS

FP32 (float)

1.981 TFLOPS

123.2 GFLOPS

FP64 (double)

82.56 GFLOPS

Board Design

85W

TDP

140W

250 W

Suggested PSU

300 W

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

Outputs

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

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Bonaire

GPU Name

GK104

Bonaire XT (215-0839039)

GPU Variant

-

GCN 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.08 billion

Transistors

3.54 billion

160 mm²

Die Size

294 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.0

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.0

6.3

Shader Model

5.1

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