NVIDIA GeForce GTX 870M vs AMD Radeon RX Vega M GH

VS

NVIDIA GeForce GTX 870M AMD Radeon RX Vega M GH

We compared two Mobile platform GPUs: 3GB VRAM GeForce GTX 870M 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

AMD Radeon RX Vega M GH 's Advantages

Released 3 years and 11 months late

Boost Clock has increased by 23% (1190MHz vs 967MHz)

More VRAM (4GB vs 3GB)

Larger VRAM bandwidth (204.8GB/s vs 120.0GB/s)

192 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 870M

2.599 TFLOPS

Radeon RX Vega M GH +40%

3.656 TFLOPS

GeForce GTX 870M

VS

Radeon RX Vega M GH

Graphics Card

Mar 2014

Release Date

Feb 2018

GeForce 800M

Generation

Vega

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

IGP

Clock Speeds

941 MHz

Base Clock

1063 MHz

967 MHz

Boost Clock

1190 MHz

1250 MHz

Memory Clock

800 MHz

Memory

3GB

Memory Size

4GB

GDDR5

Memory Type

HBM2

192bit

Memory Bus

1024bit

120.0GB/s

Bandwidth

204.8GB/s

Render Config

-

SM Count

-

Compute Units

24

1344

Shading Units

1536

112

TMUs

96

24

ROPs

64

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

1024 KB

Theoretical Performance

27.08 GPixel/s

Pixel Rate

76.16 GPixel/s

108.3 GTexel/s

Texture Rate

114.2 GTexel/s

-

FP16 (half)

3.656 TFLOPS

2.599 TFLOPS

FP32 (float)

3.656 TFLOPS

108.3 GFLOPS

FP64 (double)

228.5 GFLOPS

Graphics Processor

GK104

GPU Name

Polaris 22

N15E-GT-A2

GPU Variant

VegaM XT (C7398773)

Kepler

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

3.54 billion

Transistors

5 billion

294 mm²

Die Size

208 mm²

Board Design

100W

TDP

100W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

6.4

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