AMD Radeon R9 M290X Mac Edition vs NVIDIA GeForce GTX 660M

VS

AMD Radeon R9 M290X Mac Edition

NVIDIA GeForce GTX 660M

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M290X Mac Edition 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 Mac Edition 's Advantages

Released 2 years and 8 months late

Boost Clock has increased by 3% (975MHz vs 950MHz)

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (174.7GB/s vs 64.00GB/s)

640 additional rendering cores

NVIDIA GeForce GTX 660M 's Advantages

Lower TDP (50W vs 80W)

Score

Benchmark

FP32 (float)

Radeon R9 M290X Mac Edition +173%

1.997 TFLOPS

GeForce GTX 660M

0.73 TFLOPS

Radeon R9 M290X Mac Edition

VS

GeForce GTX 660M

Graphics Card

Nov 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

975 MHz

Boost Clock

950 MHz

1365 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

174.7GB/s

Bandwidth

64.00GB/s

Render Config

16

Compute Units

-

1024

Shading Units

384

64

TMUs

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

31.20 GPixel/s

Pixel Rate

7.600 GPixel/s

62.40 GTexel/s

Texture Rate

30.40 GTexel/s

-

1.997 TFLOPS

FP32 (float)

729.6 GFLOPS

124.8 GFLOPS

FP64 (double)

30.40 GFLOPS

Board Design

80W

TDP

50W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Pitcairn

GPU Name

GK107

Pitcairn PRO (215-0828062)

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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