AMD Radeon RX 540X Mobile vs NVIDIA GeForce GTX 660M

VS

AMD Radeon RX 540X Mobile

NVIDIA GeForce GTX 660M

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 540X Mobile 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 RX 540X Mobile 's Advantages

Released 6 years and 1 months late

Boost Clock has increased by 27% (1211MHz vs 950MHz)

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (96.00GB/s vs 64.00GB/s)

128 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 540X Mobile +69%

1.24 TFLOPS

GeForce GTX 660M

0.73 TFLOPS

Radeon RX 540X Mobile

VS

GeForce GTX 660M

Graphics Card

Apr 2018

Release Date

Mar 2012

Mobility Radeon

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

1124 MHz

Base Clock

835 MHz

1211 MHz

Boost Clock

950 MHz

1500 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

96.00GB/s

Bandwidth

64.00GB/s

Render Config

8

Compute Units

-

512

Shading Units

384

32

TMUs

32

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

19.38 GPixel/s

Pixel Rate

7.600 GPixel/s

38.75 GTexel/s

Texture Rate

30.40 GTexel/s

1240 GFLOPS

FP16 (half)

-

1240 GFLOPS

FP32 (float)

729.6 GFLOPS

77.50 GFLOPS

FP64 (double)

30.40 GFLOPS

Board Design

50W

TDP

50W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Polaris 23

GPU Name

GK107

Polaris 23 MXL

GPU Variant

N13E-GE-A2

GCN 4.0

Architecture

Kepler

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

2.2 billion

Transistors

1.27 billion

103 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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