AMD Radeon Pro 555X vs NVIDIA GeForce GTX 870M

VS

AMD Radeon Pro 555X NVIDIA GeForce GTX 870M

We compared two Mobile platform GPUs: 4GB VRAM Radeon Pro 555X and 3GB VRAM GeForce GTX 870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro 555X 's Advantages

Released 4 years and 4 months late

More VRAM (4GB vs 3GB)

Lower TDP (75W vs 100W)

NVIDIA GeForce GTX 870M 's Advantages

Boost Clock967MHz

Larger VRAM bandwidth (120.0GB/s vs 94.08GB/s)

576 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon Pro 555X

1.393 TFLOPS

GeForce GTX 870M +86%

2.599 TFLOPS

Radeon Pro 555X

VS

GeForce GTX 870M

Graphics Card

Jul 2018

Release Date

Mar 2014

Radeon Pro Mac

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

941 MHz

-

Boost Clock

967 MHz

1470 MHz

Memory Clock

1250 MHz

Memory

4GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

192bit

94.08GB/s

Bandwidth

120.0GB/s

Render Config

-

SM Count

-

12

Compute Units

-

768

Shading Units

1344

48

TMUs

112

16

ROPs

24

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

1024 KB

L2 Cache

384 KB

Theoretical Performance

14.51 GPixel/s

Pixel Rate

27.08 GPixel/s

43.54 GTexel/s

Texture Rate

108.3 GTexel/s

1393 GFLOPS

FP16 (half)

-

1393 GFLOPS

FP32 (float)

2.599 TFLOPS

87.07 GFLOPS

FP64 (double)

108.3 GFLOPS

Graphics Processor

Polaris 21

GPU Name

GK104

Polaris 21 PRO

GPU Variant

N15E-GT-A2

GCN 4.0

Architecture

Kepler

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

3 billion

Transistors

3.54 billion

123 mm²

Die Size

294 mm²

Board Design

75W

TDP

100W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.0

6.4

Shader Model

5.1

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