AMD Radeon Pro 580 vs NVIDIA GeForce 945A

VS

AMD Radeon Pro 580

NVIDIA GeForce 945A

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

Main Differences

AMD Radeon Pro 580 's Advantages

Released 2 years and 3 months late

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

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (217.0GB/s vs 40.10GB/s)

1920 additional rendering cores

NVIDIA GeForce 945A 's Advantages

Lower TDP (33W vs 185W)

Score

Benchmark

FP32 (float)

Radeon Pro 580 +505%

5.53 TFLOPS

GeForce 945A

0.913 TFLOPS

Radeon Pro 580

VS

GeForce 945A

Graphics Card

Jun 2017

Release Date

Mar 2015

Radeon Pro Mac

Generation

GeForce 900A

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1100 MHz

Base Clock

1006 MHz

1200 MHz

Boost Clock

1189 MHz

1695 MHz

Memory Clock

1253 MHz

Memory

8GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

64bit

217.0GB/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

38.40 GPixel/s

Pixel Rate

9.512 GPixel/s

172.8 GTexel/s

Texture Rate

28.54 GTexel/s

5.530 TFLOPS

FP16 (half)

-

5.530 TFLOPS

FP32 (float)

913.2 GFLOPS

345.6 GFLOPS

FP64 (double)

28.54 GFLOPS

Board Design

185W

TDP

33W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Ellesmere

GPU Name

GM108

Ellesmere XTA (216-0886220)

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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