NVIDIA GeForce GTX 880M vs AMD Radeon Pro 555X

VS

NVIDIA GeForce GTX 880M

AMD Radeon Pro 555X

We compared two Mobile platform GPUs: 8GB VRAM GeForce GTX 880M 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 880M 's Advantages

Boost Clock993MHz

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (160.0GB/s vs 94.08GB/s)

768 additional rendering cores

AMD Radeon Pro 555X 's Advantages

Released 4 years and 4 months late

Lower TDP (75W vs 122W)

Score

Benchmark

FP32 (float)

GeForce GTX 880M +118%

3.05 TFLOPS

Radeon Pro 555X

1.393 TFLOPS

GeForce GTX 880M

VS

Radeon Pro 555X

Graphics Card

Mar 2014

Release Date

Jul 2018

GeForce 800M

Generation

Radeon Pro Mac

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

954 MHz

Base Clock

-

993 MHz

Boost Clock

-

1250 MHz

Memory Clock

1470 MHz

Memory

8GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

94.08GB/s

Render Config

-

Compute Units

12

-

1536

Shading Units

768

128

TMUs

48

32

ROPs

16

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

1024 KB

-

Theoretical Performance

31.78 GPixel/s

Pixel Rate

14.51 GPixel/s

127.1 GTexel/s

Texture Rate

43.54 GTexel/s

-

FP16 (half)

1393 GFLOPS

3.050 TFLOPS

FP32 (float)

1393 GFLOPS

127.1 GFLOPS

FP64 (double)

87.07 GFLOPS

Board Design

122W

TDP

75W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

GK104

GPU Name

Polaris 21

N15E-GX-A2

GPU Variant

Polaris 21 PRO

Kepler

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

3.54 billion

Transistors

3 billion

294 mm²

Die Size

123 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

6.4

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