AMD Radeon R9 M390X vs NVIDIA GeForce GTX 780M Mac Edition

VS

AMD Radeon R9 M390X

NVIDIA GeForce GTX 780M Mac Edition

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M390X and 4GB VRAM GeForce GTX 780M Mac Edition 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 6 months late

512 additional rendering cores

Lower TDP (75W vs 122W)

NVIDIA GeForce GTX 780M Mac Edition 's Advantages

Boost Clock797MHz

Score

Benchmark

FP32 (float)

Radeon R9 M390X +20%

2.961 TFLOPS

GeForce GTX 780M Mac Edition

2.448 TFLOPS

Radeon R9 M390X

VS

GeForce GTX 780M Mac Edition

Graphics Card

May 2015

Release Date

Nov 2013

Crystal System

Generation

GeForce 700M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

771 MHz

-

Boost Clock

797 MHz

1250 MHz

Memory Clock

1250 MHz

Memory

4GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

160.0GB/s

Bandwidth

160.0GB/s

Render Config

32

Compute Units

-

2048

Shading Units

1536

128

TMUs

128

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

23.14 GPixel/s

Pixel Rate

25.50 GPixel/s

92.54 GTexel/s

Texture Rate

102.0 GTexel/s

2.961 TFLOPS

FP16 (half)

-

2.961 TFLOPS

FP32 (float)

2.448 TFLOPS

185.1 GFLOPS

FP64 (double)

102.0 GFLOPS

Board Design

75W

TDP

122W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Amethyst

GPU Name

GK104

Amethyst XT

GPU Variant

N14E-GTX-A2

GCN 3.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5 billion

Transistors

3.54 billion

366 mm²

Die Size

294 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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