NVIDIA GeForce GTX 850M vs AMD Radeon RX 580X Mobile

VS

NVIDIA GeForce GTX 850M

AMD Radeon RX 580X Mobile

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 850M and 8GB VRAM Radeon RX 580X Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 850M 's Advantages

Lower TDP (45W vs 100W)

AMD Radeon RX 580X Mobile 's Advantages

Released 4 years and 1 months late

Boost Clock1077MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (256.0GB/s vs 32.03GB/s)

1664 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 850M

1.155 TFLOPS

Radeon RX 580X Mobile +329%

4.963 TFLOPS

GeForce GTX 850M

VS

Radeon RX 580X Mobile

Graphics Card

Mar 2014

Release Date

Apr 2018

GeForce 800M

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

1000 MHz

-

Boost Clock

1077 MHz

1001 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

8GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

32.03GB/s

Bandwidth

256.0GB/s

Render Config

-

Compute Units

36

-

640

Shading Units

2304

40

TMUs

144

16

ROPs

32

-

64 KB (per SMM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

2 MB

-

Theoretical Performance

14.43 GPixel/s

Pixel Rate

34.46 GPixel/s

36.08 GTexel/s

Texture Rate

155.1 GTexel/s

-

FP16 (half)

4.963 TFLOPS

1155 GFLOPS

FP32 (float)

4.963 TFLOPS

36.08 GFLOPS

FP64 (double)

310.2 GFLOPS

Board Design

45W

TDP

100W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GM107

GPU Name

Polaris 20

N15P-GT-A1

GPU Variant

Polaris 20M XT

Maxwell

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

1.87 billion

Transistors

5.7 billion

148 mm²

Die Size

232 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

5.0

CUDA

-

5.1

Shader Model

6.4

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