NVIDIA GeForce 920MX vs AMD Radeon R9 M485X

VS

NVIDIA GeForce 920MX

AMD Radeon R9 M485X

We compared two Mobile platform GPUs: 2GB VRAM GeForce 920MX and 8GB VRAM Radeon R9 M485X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 920MX 's Advantages

Boost Clock993MHz

Lower TDP (16W vs 250W)

AMD Radeon R9 M485X 's Advantages

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (160.0GB/s vs 14.40GB/s)

1792 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 920MX

0.508 TFLOPS

Radeon R9 M485X +482%

2.961 TFLOPS

GeForce 920MX

VS

Radeon R9 M485X

Graphics Card

Mar 2016

Release Date

May 2016

GeForce 900M

Generation

Crystal System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

965 MHz

Base Clock

-

993 MHz

Boost Clock

-

900 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

8GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

14.40GB/s

Bandwidth

160.0GB/s

Render Config

-

Compute Units

32

-

256

Shading Units

2048

24

TMUs

128

8

ROPs

32

-

64 KB (per SMM)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

512 KB

-

Theoretical Performance

7.944 GPixel/s

Pixel Rate

23.14 GPixel/s

23.83 GTexel/s

Texture Rate

92.54 GTexel/s

-

FP16 (half)

2.961 TFLOPS

508.4 GFLOPS

FP32 (float)

2.961 TFLOPS

15.89 GFLOPS

FP64 (double)

185.1 GFLOPS

Board Design

16W

TDP

250W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

GM108

GPU Name

Amethyst

N16V-GMR1-S

GPU Variant

Amethyst XT

Maxwell

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

Unknown

Transistors

5 billion

Unknown

Die Size

366 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.0

1.3

Vulkan

1.2

5.0

CUDA

-

5.1

Shader Model

6.3

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