NVIDIA GeForce 840M vs AMD Radeon RX Vega M GH

VS

NVIDIA GeForce 840M AMD Radeon RX Vega M GH

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

Main Differences

NVIDIA GeForce 840M 's Advantages

Lower TDP (33W vs 100W)

AMD Radeon RX Vega M GH 's Advantages

Released 3 years and 11 months late

Boost Clock has increased by 6% (1190MHz vs 1124MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (204.8GB/s vs 16.02GB/s)

1152 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 840M

0.863 TFLOPS

Radeon RX Vega M GH +323%

3.656 TFLOPS

GeForce 840M

VS

Radeon RX Vega M GH

Graphics Card

Mar 2014

Release Date

Feb 2018

GeForce 800M

Generation

Vega

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

IGP

Clock Speeds

1029 MHz

Base Clock

1063 MHz

1124 MHz

Boost Clock

1190 MHz

1001 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

4GB

DDR3

Memory Type

HBM2

64bit

Memory Bus

1024bit

16.02GB/s

Bandwidth

204.8GB/s

Render Config

-

SM Count

-

Compute Units

24

384

Shading Units

1536

16

TMUs

96

8

ROPs

64

-

Tensor Cores

-

RT Cores

-

64 KB (per SMM)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

1024 KB

Theoretical Performance

8.992 GPixel/s

Pixel Rate

76.16 GPixel/s

17.98 GTexel/s

Texture Rate

114.2 GTexel/s

-

FP16 (half)

3.656 TFLOPS

863.2 GFLOPS

FP32 (float)

3.656 TFLOPS

26.98 GFLOPS

FP64 (double)

228.5 GFLOPS

Graphics Processor

GM108

GPU Name

Polaris 22

N15S-GT

GPU Variant

VegaM XT (C7398773)

Maxwell

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

Unknown

Transistors

5 billion

Unknown

Die Size

208 mm²

Board Design

33W

TDP

100W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.2

5.0

CUDA

-

5.1

Shader Model

6.4

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