AMD Radeon E9550 MXM vs NVIDIA GeForce GTX 660M

VS

AMD Radeon E9550 MXM

NVIDIA GeForce GTX 660M

We compared two Mobile platform GPUs: 8GB VRAM Radeon E9550 MXM 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 E9550 MXM 's Advantages

Released 4 years and 6 months late

Boost Clock has increased by 33% (1266MHz vs 950MHz)

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (160.0GB/s vs 64.00GB/s)

1920 additional rendering cores

NVIDIA GeForce GTX 660M 's Advantages

Lower TDP (50W vs 95W)

Score

Benchmark

FP32 (float)

Radeon E9550 MXM +699%

5.834 TFLOPS

GeForce GTX 660M

0.73 TFLOPS

Radeon E9550 MXM

VS

GeForce GTX 660M

Graphics Card

Sep 2016

Release Date

Mar 2012

Embedded

Generation

GeForce 600M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

1120 MHz

Base Clock

835 MHz

1266 MHz

Boost Clock

950 MHz

1250 MHz

Memory Clock

1000 MHz

Memory

8GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

64.00GB/s

Render Config

36

Compute Units

-

2304

Shading Units

384

144

TMUs

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

40.51 GPixel/s

Pixel Rate

7.600 GPixel/s

182.3 GTexel/s

Texture Rate

30.40 GTexel/s

5.834 TFLOPS

FP16 (half)

-

5.834 TFLOPS

FP32 (float)

729.6 GFLOPS

364.6 GFLOPS

FP64 (double)

30.40 GFLOPS

Board Design

95W

TDP

50W

-

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Ellesmere

GPU Name

GK107

Ellesmere XT

GPU Variant

N13E-GE-A2

GCN 4.0

Architecture

Kepler

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

5.7 billion

Transistors

1.27 billion

232 mm²

Die Size

118 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.0

6.4

Shader Model

5.1

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