NVIDIA GeForce 840M vs AMD Radeon R9 M470X

VS

NVIDIA GeForce 840M

AMD Radeon R9 M470X

We compared two Mobile platform GPUs: 2GB VRAM GeForce 840M and 4GB VRAM Radeon R9 M470X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 840M 's Advantages

Boost Clock has increased by 2% (1124MHz vs 1100MHz)

AMD Radeon R9 M470X 's Advantages

Released 2 years and 2 months late

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (76.80GB/s vs 16.02GB/s)

512 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 840M

0.863 TFLOPS

Radeon R9 M470X +128%

1.971 TFLOPS

GeForce 840M

VS

Radeon R9 M470X

Graphics Card

Mar 2014

Release Date

May 2016

GeForce 800M

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1029 MHz

Base Clock

1000 MHz

1124 MHz

Boost Clock

1100 MHz

1001 MHz

Memory Clock

1200 MHz

Memory

2GB

Memory Size

4GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

16.02GB/s

Bandwidth

76.80GB/s

Render Config

-

Compute Units

14

-

384

Shading Units

896

16

TMUs

56

8

ROPs

16

-

64 KB (per SMM)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

8.992 GPixel/s

Pixel Rate

17.60 GPixel/s

17.98 GTexel/s

Texture Rate

61.60 GTexel/s

-

863.2 GFLOPS

FP32 (float)

1.971 TFLOPS

26.98 GFLOPS

FP64 (double)

123.2 GFLOPS

Board Design

33W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

GM108

GPU Name

Emerald

N15S-GT

GPU Variant

Emerald XT

Maxwell

Architecture

GCN 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

Unknown

Transistors

2.08 billion

Unknown

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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