NVIDIA GeForce 940M vs AMD Radeon R9 M385X

VS

NVIDIA GeForce 940M

AMD Radeon R9 M385X

We compared two Mobile platform GPUs: 2GB VRAM GeForce 940M and 4GB VRAM Radeon R9 M385X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M385X 's Advantages

Boost Clock has increased by 0% (1100MHz vs 1098MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (76.80GB/s vs 14.40GB/s)

384 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 940M

1.124 TFLOPS

Radeon R9 M385X +75%

1.971 TFLOPS

GeForce 940M

VS

Radeon R9 M385X

Graphics Card

Mar 2015

Release Date

May 2015

GeForce 900M

Generation

Gem System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

1020 MHz

Base Clock

1000 MHz

1098 MHz

Boost Clock

1100 MHz

900 MHz

Memory Clock

1200 MHz

Memory

2GB

Memory Size

4GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

76.80GB/s

Render Config

-

Compute Units

14

-

512

Shading Units

896

32

TMUs

56

16

ROPs

16

-

64 KB (per SMM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

17.57 GPixel/s

Pixel Rate

17.60 GPixel/s

35.14 GTexel/s

Texture Rate

61.60 GTexel/s

-

1124 GFLOPS

FP32 (float)

1.971 TFLOPS

35.14 GFLOPS

FP64 (double)

123.2 GFLOPS

Board Design

75W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

GM107

GPU Name

Strato

N16S-GT1-KB-B

GPU Variant

Strato XT

Maxwell

Architecture

GCN 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.87 billion

Transistors

2.08 billion

148 mm²

Die Size

160 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.2.170

5.0

CUDA

-

5.1

Shader Model

6.5

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