AMD Radeon R9 M485X vs NVIDIA GeForce 945A

VS

AMD Radeon R9 M485X

NVIDIA GeForce 945A

We compared two Mobile platform GPUs: 8GB VRAM Radeon R9 M485X and 1024MB VRAM GeForce 945A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M485X 's Advantages

Released 1 years and 2 months late

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (160.0GB/s vs 40.10GB/s)

1664 additional rendering cores

NVIDIA GeForce 945A 's Advantages

Boost Clock1189MHz

Lower TDP (33W vs 250W)

Score

Benchmark

FP32 (float)

Radeon R9 M485X +224%

2.961 TFLOPS

GeForce 945A

0.913 TFLOPS

Radeon R9 M485X

VS

GeForce 945A

Graphics Card

May 2016

Release Date

Mar 2015

Crystal System

Generation

GeForce 900A

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1006 MHz

-

Boost Clock

1189 MHz

1250 MHz

Memory Clock

1253 MHz

Memory

8GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

64bit

160.0GB/s

Bandwidth

40.10GB/s

Render Config

32

Compute Units

-

2048

Shading Units

384

128

TMUs

24

32

ROPs

8

-

16 KB (per CU)

L1 Cache

64 KB (per SMM)

512 KB

L2 Cache

1024 KB

-

Theoretical Performance

23.14 GPixel/s

Pixel Rate

9.512 GPixel/s

92.54 GTexel/s

Texture Rate

28.54 GTexel/s

2.961 TFLOPS

FP16 (half)

-

2.961 TFLOPS

FP32 (float)

913.2 GFLOPS

185.1 GFLOPS

FP64 (double)

28.54 GFLOPS

Board Design

250W

TDP

33W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Amethyst

GPU Name

GM108

Amethyst XT

GPU Variant

-

GCN 3.0

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5 billion

Transistors

Unknown

366 mm²

Die Size

Unknown

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.0

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

5.0

6.3

Shader Model

5.1

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