AMD Radeon RX 580X Mobile vs NVIDIA GeForce GTX 860M OEM

VS

AMD Radeon RX 580X Mobile

NVIDIA GeForce GTX 860M OEM

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 580X Mobile and 2GB VRAM GeForce GTX 860M OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 580X Mobile 's Advantages

Released 3 years and 2 months late

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (256.0GB/s vs 80.19GB/s)

1664 additional rendering cores

NVIDIA GeForce GTX 860M OEM 's Advantages

Boost Clock has increased by 1% (1085MHz vs 1077MHz)

Lower TDP (75W vs 100W)

Score

Benchmark

FP32 (float)

Radeon RX 580X Mobile +257%

4.963 TFLOPS

GeForce GTX 860M OEM

1.389 TFLOPS

Radeon RX 580X Mobile

VS

GeForce GTX 860M OEM

Graphics Card

Apr 2018

Release Date

Feb 2015

Mobility Radeon

Generation

GeForce 800M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

1000 MHz

Base Clock

1020 MHz

1077 MHz

Boost Clock

1085 MHz

2000 MHz

Memory Clock

1253 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

256.0GB/s

Bandwidth

80.19GB/s

Render Config

36

Compute Units

-

2304

Shading Units

640

144

TMUs

40

32

ROPs

16

-

16 KB (per CU)

L1 Cache

64 KB (per SMM)

2 MB

L2 Cache

2 MB

-

Theoretical Performance

34.46 GPixel/s

Pixel Rate

17.36 GPixel/s

155.1 GTexel/s

Texture Rate

43.40 GTexel/s

4.963 TFLOPS

FP16 (half)

-

4.963 TFLOPS

FP32 (float)

1389 GFLOPS

310.2 GFLOPS

FP64 (double)

43.40 GFLOPS

Board Design

100W

TDP

75W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Polaris 20

GPU Name

GM107

Polaris 20M XT

GPU Variant

N15P-GX-A1

GCN 4.0

Architecture

Maxwell

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

5.7 billion

Transistors

1.87 billion

232 mm²

Die Size

148 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

5.0

6.4

Shader Model

5.1

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