NVIDIA GeForce GT 720A vs AMD Radeon R9 M390X

VS

NVIDIA GeForce GT 720A

AMD Radeon R9 M390X

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

Main Differences

NVIDIA GeForce GT 720A 's Advantages

Lower TDP (33W vs 75W)

AMD Radeon R9 M390X 's Advantages

Released 10 months late

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (160.0GB/s vs 16.02GB/s)

1952 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 720A

0.298 TFLOPS

Radeon R9 M390X +893%

2.961 TFLOPS

GeForce GT 720A

VS

Radeon R9 M390X

Graphics Card

Jul 2014

Release Date

May 2015

GeForce 700A

Generation

Crystal System

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1001 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

4GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

16.02GB/s

Bandwidth

160.0GB/s

Render Config

-

Compute Units

32

2

SM Count

-

96

Shading Units

2048

16

TMUs

128

8

ROPs

32

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

3.100 GPixel/s

Pixel Rate

23.14 GPixel/s

12.40 GTexel/s

Texture Rate

92.54 GTexel/s

-

FP16 (half)

2.961 TFLOPS

297.6 GFLOPS

FP32 (float)

2.961 TFLOPS

24.80 GFLOPS

FP64 (double)

185.1 GFLOPS

Board Design

33W

TDP

75W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GF117

GPU Name

Amethyst

N14M-GE

GPU Variant

Amethyst XT

Fermi 2.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.585 billion

Transistors

5 billion

116 mm²

Die Size

366 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.1

OpenCL

2.0

N/A

Vulkan

1.2

2.1

CUDA

-

5.1

Shader Model

6.3

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