NVIDIA GeForce GTX 660 Rev. 2 vs AMD Radeon R9 290

VS

NVIDIA GeForce GTX 660 Rev. 2 AMD Radeon R9 290

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Rev. 2 and 4GB VRAM Radeon R9 290 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 Rev. 2 's Advantages

Released 10 months late

Boost Clock1032MHz

Lower TDP (140W vs 275W)

AMD Radeon R9 290 's Advantages

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (320.0GB/s vs 144.2GB/s)

1600 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 660 Rev. 2

1.981 TFLOPS

Radeon R9 290 +144%

4.849 TFLOPS

GeForce GTX 660 Rev. 2

VS

Radeon R9 290

Graphics Card

Sep 2014

Release Date

Nov 2013

GeForce 600

Generation

Volcanic 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

1250 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

512bit

144.2GB/s

Bandwidth

320.0GB/s

Render Config

-

SM Count

-

Compute Units

40

960

Shading Units

2560

80

TMUs

160

24

ROPs

64

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

1024 KB

Theoretical Performance

20.64 GPixel/s

Pixel Rate

60.61 GPixel/s

82.56 GTexel/s

Texture Rate

151.5 GTexel/s

-

FP16 (half)

-

1.981 TFLOPS

FP32 (float)

4.849 TFLOPS

82.56 GFLOPS

FP64 (double)

606.1 GFLOPS

Graphics Processor

GK104

GPU Name

Hawaii

-

GPU Variant

Hawaii PRO (215-0852020)

Kepler

Architecture

GCN 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

6.2 billion

294 mm²

Die Size

438 mm²

Board Design

140W

TDP

275W

300 W

Suggested PSU

600 W

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

Outputs

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

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.0

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

6.3

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