NVIDIA GeForce 940M vs AMD Radeon HD 7870M

VS

NVIDIA GeForce 940M

AMD Radeon HD 7870M

We compared two Mobile platform GPUs: 2GB VRAM GeForce 940M and 2GB VRAM Radeon HD 7870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 940M 's Advantages

Released 2 years and 11 months late

Boost Clock1098MHz

AMD Radeon HD 7870M 's Advantages

Larger VRAM bandwidth (64.00GB/s vs 14.40GB/s)

128 additional rendering cores

Lower TDP (45W vs 75W)

Score

Benchmark

FP32 (float)

GeForce 940M +9%

1.124 TFLOPS

Radeon HD 7870M

1.024 TFLOPS

GeForce 940M

VS

Radeon HD 7870M

Graphics Card

Mar 2015

Release Date

Apr 2012

GeForce 900M

Generation

London

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

1020 MHz

Base Clock

-

1098 MHz

Boost Clock

-

900 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

64.00GB/s

Render Config

-

Compute Units

10

-

512

Shading Units

640

32

TMUs

40

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

12.80 GPixel/s

35.14 GTexel/s

Texture Rate

32.00 GTexel/s

-

1124 GFLOPS

FP32 (float)

1024 GFLOPS

35.14 GFLOPS

FP64 (double)

64.00 GFLOPS

Board Design

75W

TDP

45W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GM107

GPU Name

Heathrow

N16S-GT1-KB-B

GPU Variant

Heathrow XT (216-0835033)

Maxwell

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.87 billion

Transistors

1.5 billion

148 mm²

Die Size

123 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.3

Vulkan

1.2

5.0

CUDA

-

5.1

Shader Model

5.1

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