NVIDIA GeForce 945A vs AMD Radeon Pro 580X

VS

NVIDIA GeForce 945A

AMD Radeon Pro 580X

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

Main Differences

NVIDIA GeForce 945A 's Advantages

Lower TDP (33W vs 185W)

AMD Radeon Pro 580X 's Advantages

Released 4 years late

Boost Clock has increased by 1% (1200MHz vs 1189MHz)

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (218.9GB/s vs 40.10GB/s)

1920 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 945A

0.913 TFLOPS

Radeon Pro 580X +505%

5.53 TFLOPS

GeForce 945A

VS

Radeon Pro 580X

Graphics Card

Mar 2015

Release Date

Mar 2019

GeForce 900A

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1006 MHz

Base Clock

1100 MHz

1189 MHz

Boost Clock

1200 MHz

1253 MHz

Memory Clock

1710 MHz

Memory

1024MB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

256bit

40.10GB/s

Bandwidth

218.9GB/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

38.40 GPixel/s

28.54 GTexel/s

Texture Rate

172.8 GTexel/s

-

FP16 (half)

5.530 TFLOPS

913.2 GFLOPS

FP32 (float)

5.530 TFLOPS

28.54 GFLOPS

FP64 (double)

345.6 GFLOPS

Board Design

33W

TDP

185W

-

No outputs

Outputs

2x HDMI 2.0b

-

Power Connectors

None

Graphics Processor

GM108

GPU Name

Ellesmere

-

GPU Variant

Ellesmere XTA (216-0886220)

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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