NVIDIA GeForce 940MX vs AMD Radeon HD 8670A

VS

NVIDIA GeForce 940MX

AMD Radeon HD 8670A

We compared two Mobile platform GPUs: 2GB VRAM GeForce 940MX and 1024MB VRAM Radeon HD 8670A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 940MX 's Advantages

Released 2 years and 11 months late

Boost Clock1242MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (16.02GB/s vs 16.00GB/s)

Lower TDP (23W vs 45W)

Score

Benchmark

FP32 (float)

GeForce 940MX +106%

0.954 TFLOPS

Radeon HD 8670A

0.461 TFLOPS

GeForce 940MX

VS

Radeon HD 8670A

Graphics Card

Jan 2016

Release Date

Feb 2013

GeForce 900M

Generation

All-In-One

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-A (3.0)

Clock Speeds

1004 MHz

Base Clock

-

1242 MHz

Boost Clock

-

1001 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

DDR3

64bit

Memory Bus

64bit

16.02GB/s

Bandwidth

16.00GB/s

Render Config

-

Compute Units

6

-

384

Shading Units

384

24

TMUs

24

8

ROPs

8

-

64 KB (per SMM)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

128 KB

-

Theoretical Performance

9.936 GPixel/s

Pixel Rate

4.800 GPixel/s

29.81 GTexel/s

Texture Rate

14.40 GTexel/s

-

953.9 GFLOPS

FP32 (float)

460.8 GFLOPS

29.81 GFLOPS

FP64 (double)

28.80 GFLOPS

Board Design

23W

TDP

45W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GM108

GPU Name

Mars

N16S-GTR-S

GPU Variant

Mars XT

Maxwell

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

Unknown

Transistors

0.95 billion

Unknown

Die Size

77 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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