AMD Radeon R5 M255 vs NVIDIA GeForce 945M

VS

AMD Radeon R5 M255

NVIDIA GeForce 945M

We compared two Mobile platform GPUs: 2GB VRAM Radeon R5 M255 and 1024MB VRAM GeForce 945M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 M255 's Advantages

More VRAM (2GB vs 1024GB)

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

NVIDIA GeForce 945M 's Advantages

Released 1 years and 6 months late

Boost Clock has increased by 26% (1189MHz vs 940MHz)

Score

Benchmark

FP32 (float)

Radeon R5 M255

0.721 TFLOPS

GeForce 945M +26%

0.913 TFLOPS

Radeon R5 M255

VS

GeForce 945M

Graphics Card

Oct 2014

Release Date

Apr 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

1006 MHz

940 MHz

Boost Clock

1189 MHz

1000 MHz

Memory Clock

1001 MHz

Memory

2GB

Memory Size

1024MB

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

9.512 GPixel/s

22.56 GTexel/s

Texture Rate

28.54 GTexel/s

721.9 GFLOPS

FP16 (half)

-

721.9 GFLOPS

FP32 (float)

913.2 GFLOPS

45.12 GFLOPS

FP64 (double)

28.54 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

-

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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