NVIDIA GeForce 940M vs AMD Radeon R7 M340

VS

NVIDIA GeForce 940M

AMD Radeon R7 M340

We compared two Mobile platform GPUs: 2GB VRAM GeForce 940M and 1024MB VRAM Radeon R7 M340 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 940M 's Advantages

Boost Clock has increased by 54% (1098MHz vs 715MHz)

More VRAM (2GB vs 1024GB)

128 additional rendering cores

AMD Radeon R7 M340 's Advantages

Released 9 months late

Larger VRAM bandwidth (16.00GB/s vs 14.40GB/s)

Score

Benchmark

FP32 (float)

GeForce 940M +104%

1.124 TFLOPS

Radeon R7 M340

0.549 TFLOPS

GeForce 940M

VS

Radeon R7 M340

Graphics Card

Mar 2015

Release Date

Dec 2015

GeForce 900M

Generation

Gem System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

1020 MHz

Base Clock

620 MHz

1098 MHz

Boost Clock

715 MHz

900 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

DDR3

64bit

Memory Bus

64bit

14.40GB/s

Bandwidth

16.00GB/s

Render Config

-

Compute Units

6

-

512

Shading Units

384

32

TMUs

24

16

ROPs

8

-

64 KB (per SMM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

17.57 GPixel/s

Pixel Rate

5.720 GPixel/s

35.14 GTexel/s

Texture Rate

17.16 GTexel/s

-

1124 GFLOPS

FP32 (float)

549.1 GFLOPS

35.14 GFLOPS

FP64 (double)

34.32 GFLOPS

Board Design

75W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

GM107

GPU Name

Opal

N16S-GT1-KB-B

GPU Variant

Opal PRO

Maxwell

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.87 billion

Transistors

0.95 billion

148 mm²

Die Size

77 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

2.1 (1.2)

1.3

Vulkan

1.2.170

5.0

CUDA

-

5.1

Shader Model

6.5 (5.1)

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