AMD Radeon R5 M255 vs NVIDIA GeForce 940MX

VS

AMD Radeon R5 M255

NVIDIA GeForce 940MX

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

Main Differences

AMD Radeon R5 M255 's Advantages

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

NVIDIA GeForce 940MX 's Advantages

Released 1 years and 3 months late

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

Score

Benchmark

FP32 (float)

Radeon R5 M255

0.721 TFLOPS

GeForce 940MX +32%

0.954 TFLOPS

Radeon R5 M255

VS

GeForce 940MX

Graphics Card

Oct 2014

Release Date

Jan 2016

Gem System

Generation

GeForce 900M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

925 MHz

Base Clock

1004 MHz

940 MHz

Boost Clock

1242 MHz

1000 MHz

Memory Clock

1001 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

32.00GB/s

Bandwidth

16.02GB/s

Render Config

6

Compute Units

-

384

Shading Units

384

24

TMUs

24

8

ROPs

8

-

16 KB (per CU)

L1 Cache

64 KB (per SMM)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

7.520 GPixel/s

Pixel Rate

9.936 GPixel/s

22.56 GTexel/s

Texture Rate

29.81 GTexel/s

721.9 GFLOPS

FP16 (half)

-

721.9 GFLOPS

FP32 (float)

953.9 GFLOPS

45.12 GFLOPS

FP64 (double)

29.81 GFLOPS

Board Design

Unknown

TDP

23W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Topaz

GPU Name

GM108

Topaz PRO (216-0858030)

GPU Variant

N16S-GTR-S

GCN 3.0

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.55 billion

Transistors

Unknown

125 mm²

Die Size

Unknown

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2.170

Vulkan

1.3

-

CUDA

5.0

6.5

Shader Model

5.1

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