AMD Radeon R9 M390X vs NVIDIA GeForce 720A

VS

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M390X and 1024MB VRAM GeForce 720A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M390X 's Advantages

Released 10 months late

More VRAM (4GB vs 1GB)

Larger VRAM bandwidth (160.0GB/s vs 16.00GB/s)

1952 additional rendering cores

NVIDIA GeForce 720A 's Advantages

Boost Clock938MHz

Lower TDP (33W vs 75W)

Score

Benchmark

FP32 (float)

Radeon R9 M390X +1545%

2.961 TFLOPS

GeForce 720A

0.18 TFLOPS

Radeon R9 M390X

VS

GeForce 720A

Graphics Card

May 2015

Release Date

Jul 2014

Crystal System

Generation

GeForce 700A

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

775 MHz

-

Boost Clock

938 MHz

1250 MHz

Memory Clock

1000 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

160.0GB/s

Bandwidth

16.00GB/s

Render Config

-

SM Count

2

32

Compute Units

-

2048

Shading Units

96

128

TMUs

16

32

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

128 KB

Theoretical Performance

23.14 GPixel/s

Pixel Rate

3.752 GPixel/s

92.54 GTexel/s

Texture Rate

15.01 GTexel/s

2.961 TFLOPS

FP16 (half)

-

2.961 TFLOPS

FP32 (float)

180.1 GFLOPS

185.1 GFLOPS

FP64 (double)

15.01 GFLOPS

Graphics Processor

Amethyst

GPU Name

GF117

Amethyst XT

GPU Variant

N14M-GE

GCN 3.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5 billion

Transistors

0.585 billion

366 mm²

Die Size

116 mm²

Board Design

75W

TDP

33W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.0

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.1

6.3

Shader Model

5.1

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