NVIDIA GeForce 940MX vs AMD Radeon R5 M255

VS

NVIDIA GeForce 940MX

AMD Radeon R5 M255

We compared two Mobile platform GPUs: 2GB VRAM GeForce 940MX and 2GB VRAM Radeon R5 M255 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 940MX 's Advantages

Released 1 years and 3 months late

Boost Clock has increased by 32% (1242MHz vs 940MHz)

AMD Radeon R5 M255 's Advantages

Larger VRAM bandwidth (32.00GB/s vs 16.02GB/s)

Score

Benchmark

FP32 (float)

GeForce 940MX +32%

0.954 TFLOPS

Radeon R5 M255

0.721 TFLOPS

GeForce 940MX

VS

Radeon R5 M255

Graphics Card

Jan 2016

Release Date

Oct 2014

GeForce 900M

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

1004 MHz

Base Clock

925 MHz

1242 MHz

Boost Clock

940 MHz

1001 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

DDR3

64bit

Memory Bus

128bit

16.02GB/s

Bandwidth

32.00GB/s

Render Config

-

Compute Units

6

-

384

Shading Units

384

24

TMUs

24

8

ROPs

8

-

64 KB (per SMM)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

9.936 GPixel/s

Pixel Rate

7.520 GPixel/s

29.81 GTexel/s

Texture Rate

22.56 GTexel/s

-

FP16 (half)

721.9 GFLOPS

953.9 GFLOPS

FP32 (float)

721.9 GFLOPS

29.81 GFLOPS

FP64 (double)

45.12 GFLOPS

Board Design

23W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

GM108

GPU Name

Topaz

N16S-GTR-S

GPU Variant

Topaz PRO (216-0858030)

Maxwell

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

Unknown

Transistors

1.55 billion

Unknown

Die Size

125 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.2.170

5.0

CUDA

-

5.1

Shader Model

6.5

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