AMD Radeon R9 M290X vs NVIDIA GeForce GTX 660M

VS

AMD Radeon R9 M290X

NVIDIA GeForce GTX 660M

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M290X and 1024MB VRAM GeForce GTX 660M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M290X 's Advantages

Released 1 years and 10 months late

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (153.6GB/s vs 64.00GB/s)

896 additional rendering cores

NVIDIA GeForce GTX 660M 's Advantages

Boost Clock has increased by 6% (950MHz vs 900MHz)

Lower TDP (50W vs 100W)

Score

Benchmark

FP32 (float)

Radeon R9 M290X +215%

2.304 TFLOPS

GeForce GTX 660M

0.73 TFLOPS

Radeon R9 M290X

VS

GeForce GTX 660M

Graphics Card

Jan 2014

Release Date

Mar 2012

Crystal System

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

850 MHz

Base Clock

835 MHz

900 MHz

Boost Clock

950 MHz

1200 MHz

Memory Clock

1000 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

153.6GB/s

Bandwidth

64.00GB/s

Render Config

20

Compute Units

-

1280

Shading Units

384

80

TMUs

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

28.80 GPixel/s

Pixel Rate

7.600 GPixel/s

72.00 GTexel/s

Texture Rate

30.40 GTexel/s

-

2.304 TFLOPS

FP32 (float)

729.6 GFLOPS

144.0 GFLOPS

FP64 (double)

30.40 GFLOPS

Board Design

100W

TDP

50W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Neptune

GPU Name

GK107

Neptune XT (216-0847000)

GPU Variant

N13E-GE-A2

GCN 1.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.8 billion

Transistors

1.27 billion

212 mm²

Die Size

118 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.0

5.1

Shader Model

5.1

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