AMD Radeon R9 M270X vs NVIDIA GeForce GTX 660M

VS

AMD Radeon R9 M270X

NVIDIA GeForce GTX 660M

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M270X 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 M270X 's Advantages

Released 2 years and 11 months late

Boost Clock has increased by 5% (1000MHz vs 950MHz)

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (88.00GB/s vs 64.00GB/s)

384 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M270X +110%

1.536 TFLOPS

GeForce GTX 660M

0.73 TFLOPS

Radeon R9 M270X

VS

GeForce GTX 660M

Graphics Card

Feb 2015

Release Date

Mar 2012

Gem System

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

900 MHz

Base Clock

835 MHz

1000 MHz

Boost Clock

950 MHz

1375 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

88.00GB/s

Bandwidth

64.00GB/s

Render Config

12

Compute Units

-

768

Shading Units

384

48

TMUs

32

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

7.600 GPixel/s

48.00 GTexel/s

Texture Rate

30.40 GTexel/s

-

1.536 TFLOPS

FP32 (float)

729.6 GFLOPS

96.00 GFLOPS

FP64 (double)

30.40 GFLOPS

Board Design

Unknown

TDP

50W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Saturn

GPU Name

GK107

Saturn PRO (216-0843044)

GPU Variant

N13E-GE-A2

GCN 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.08 billion

Transistors

1.27 billion

160 mm²

Die Size

118 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2.170

Vulkan

1.1

-

CUDA

3.0

6.5

Shader Model

5.1

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