NVIDIA GeForce 940M vs AMD Radeon HD 8670M

VS

NVIDIA GeForce 940M

AMD Radeon HD 8670M

We compared two Mobile platform GPUs: 2GB VRAM GeForce 940M and 1024MB VRAM Radeon HD 8670M 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 late

Boost Clock has increased by 13% (1098MHz vs 975MHz)

More VRAM (2GB vs 1024GB)

192 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 940M +80%

1.124 TFLOPS

Radeon HD 8670M

0.624 TFLOPS

GeForce 940M

VS

Radeon HD 8670M

Graphics Card

Mar 2015

Release Date

Mar 2013

GeForce 900M

Generation

Solar System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

1020 MHz

Base Clock

925 MHz

1098 MHz

Boost Clock

975 MHz

900 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

DDR3

64bit

Memory Bus

64bit

14.40GB/s

Bandwidth

14.40GB/s

Render Config

-

Compute Units

5

-

512

Shading Units

320

32

TMUs

20

16

ROPs

8

-

64 KB (per SMM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

128 KB

-

Theoretical Performance

17.57 GPixel/s

Pixel Rate

7.800 GPixel/s

35.14 GTexel/s

Texture Rate

19.50 GTexel/s

-

1124 GFLOPS

FP32 (float)

624.0 GFLOPS

35.14 GFLOPS

FP64 (double)

39.00 GFLOPS

Board Design

75W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

GM107

GPU Name

Sun

N16S-GT1-KB-B

GPU Variant

Sun S3 XT (216-0841009)

Maxwell

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.87 billion

Transistors

0.69 billion

148 mm²

Die Size

56 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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