NVIDIA GeForce GTX 850M vs AMD Radeon Pro 555X

VS

NVIDIA GeForce GTX 850M

AMD Radeon Pro 555X

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 850M and 4GB VRAM Radeon Pro 555X 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 75W)

AMD Radeon Pro 555X 's Advantages

Released 4 years and 4 months late

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (94.08GB/s vs 32.03GB/s)

128 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 850M

1.155 TFLOPS

Radeon Pro 555X +20%

1.393 TFLOPS

GeForce GTX 850M

VS

Radeon Pro 555X

Graphics Card

Mar 2014

Release Date

Jul 2018

GeForce 800M

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

1001 MHz

Memory Clock

1470 MHz

Memory

2GB

Memory Size

4GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

32.03GB/s

Bandwidth

94.08GB/s

Render Config

-

Compute Units

12

-

640

Shading Units

768

40

TMUs

48

16

ROPs

16

-

64 KB (per SMM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

1024 KB

-

Theoretical Performance

14.43 GPixel/s

Pixel Rate

14.51 GPixel/s

36.08 GTexel/s

Texture Rate

43.54 GTexel/s

-

FP16 (half)

1393 GFLOPS

1155 GFLOPS

FP32 (float)

1393 GFLOPS

36.08 GFLOPS

FP64 (double)

87.07 GFLOPS

Board Design

45W

TDP

75W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GM107

GPU Name

Polaris 21

N15P-GT-A1

GPU Variant

Polaris 21 PRO

Maxwell

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

1.87 billion

Transistors

3 billion

148 mm²

Die Size

123 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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