AMD Radeon RX 580X Mobile vs NVIDIA GeForce 945A

VS

AMD Radeon RX 580X Mobile

NVIDIA GeForce 945A

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

Main Differences

AMD Radeon RX 580X Mobile 's Advantages

Released 3 years and 1 months late

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (256.0GB/s vs 40.10GB/s)

1920 additional rendering cores

NVIDIA GeForce 945A 's Advantages

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

Lower TDP (33W vs 100W)

Score

Benchmark

FP32 (float)

Radeon RX 580X Mobile +443%

4.963 TFLOPS

GeForce 945A

0.913 TFLOPS

Radeon RX 580X Mobile

VS

GeForce 945A

Graphics Card

Apr 2018

Release Date

Mar 2015

Mobility Radeon

Generation

GeForce 900A

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

1000 MHz

Base Clock

1006 MHz

1077 MHz

Boost Clock

1189 MHz

2000 MHz

Memory Clock

1253 MHz

Memory

8GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

64bit

256.0GB/s

Bandwidth

40.10GB/s

Render Config

36

Compute Units

-

2304

Shading Units

384

144

TMUs

24

32

ROPs

8

-

16 KB (per CU)

L1 Cache

64 KB (per SMM)

2 MB

L2 Cache

1024 KB

-

Theoretical Performance

34.46 GPixel/s

Pixel Rate

9.512 GPixel/s

155.1 GTexel/s

Texture Rate

28.54 GTexel/s

4.963 TFLOPS

FP16 (half)

-

4.963 TFLOPS

FP32 (float)

913.2 GFLOPS

310.2 GFLOPS

FP64 (double)

28.54 GFLOPS

Board Design

100W

TDP

33W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Polaris 20

GPU Name

GM108

Polaris 20M XT

GPU Variant

-

GCN 4.0

Architecture

Maxwell

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

5.7 billion

Transistors

Unknown

232 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

Vulkan

1.3

-

CUDA

5.0

6.4

Shader Model

5.1

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