AMD Radeon R9 M390X vs NVIDIA GeForce GTX 760A

VS

AMD Radeon R9 M390X

NVIDIA GeForce GTX 760A

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M390X and 2GB VRAM GeForce GTX 760A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M390X 's Advantages

Released 1 years and 2 months late

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (160.0GB/s vs 64.13GB/s)

1280 additional rendering cores

NVIDIA GeForce GTX 760A 's Advantages

Boost Clock657MHz

Lower TDP (55W vs 75W)

Score

Benchmark

FP32 (float)

Radeon R9 M390X +193%

2.961 TFLOPS

GeForce GTX 760A

1.009 TFLOPS

Radeon R9 M390X

VS

GeForce GTX 760A

Graphics Card

May 2015

Release Date

Mar 2014

Crystal System

Generation

GeForce 700A

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

628 MHz

-

Boost Clock

657 MHz

1250 MHz

Memory Clock

1002 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

64.13GB/s

Render Config

32

Compute Units

-

2048

Shading Units

768

128

TMUs

64

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

23.14 GPixel/s

Pixel Rate

10.51 GPixel/s

92.54 GTexel/s

Texture Rate

42.05 GTexel/s

2.961 TFLOPS

FP16 (half)

-

2.961 TFLOPS

FP32 (float)

1009 GFLOPS

185.1 GFLOPS

FP64 (double)

42.05 GFLOPS

Board Design

75W

TDP

55W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Amethyst

GPU Name

GK106

Amethyst XT

GPU Variant

N14E-GL-A1

GCN 3.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5 billion

Transistors

2.54 billion

366 mm²

Die Size

221 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.0

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.0

6.3

Shader Model

5.1

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