NVIDIA GeForce 945M vs AMD Radeon RX 580 Mobile

VS

NVIDIA GeForce 945M

AMD Radeon RX 580 Mobile

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 945M and 8GB VRAM Radeon RX 580 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 945M 's Advantages

Boost Clock has increased by 10% (1189MHz vs 1077MHz)

Lower TDP (23W vs 100W)

AMD Radeon RX 580 Mobile 's Advantages

Released 1 years late

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (256.0GB/s vs 16.02GB/s)

1920 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 945M

0.913 TFLOPS

Radeon RX 580 Mobile +443%

4.963 TFLOPS

GeForce 945M

VS

Radeon RX 580 Mobile

Graphics Card

Apr 2016

Release Date

Apr 2017

GeForce 900M

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

1006 MHz

Base Clock

1000 MHz

1189 MHz

Boost Clock

1077 MHz

1001 MHz

Memory Clock

2000 MHz

Memory

1024MB

Memory Size

8GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

16.02GB/s

Bandwidth

256.0GB/s

Render Config

-

Compute Units

36

-

384

Shading Units

2304

24

TMUs

144

8

ROPs

32

-

64 KB (per SMM)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

2 MB

-

Theoretical Performance

9.512 GPixel/s

Pixel Rate

34.46 GPixel/s

28.54 GTexel/s

Texture Rate

155.1 GTexel/s

-

FP16 (half)

4.963 TFLOPS

913.2 GFLOPS

FP32 (float)

4.963 TFLOPS

28.54 GFLOPS

FP64 (double)

310.2 GFLOPS

Board Design

23W

TDP

100W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

GM108

GPU Name

Polaris 20

-

GPU Variant

Polaris 20M XT

Maxwell

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

Unknown

Transistors

5.7 billion

Unknown

Die Size

232 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

5.0

CUDA

-

5.1

Shader Model

6.4

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