NVIDIA GeForce GTX 775M Mac Edition vs AMD Radeon Pro 555X

VS

NVIDIA GeForce GTX 775M Mac Edition AMD Radeon Pro 555X

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 775M Mac Edition 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 775M Mac Edition 's Advantages

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

576 additional rendering cores

AMD Radeon Pro 555X 's Advantages

Released 4 years and 8 months late

More VRAM (4GB vs 2GB)

Lower TDP (75W vs 100W)

Score

Benchmark

FP32 (float)

GeForce GTX 775M Mac Edition +53%

2.142 TFLOPS

Radeon Pro 555X

1.393 TFLOPS

GeForce GTX 775M Mac Edition

VS

Radeon Pro 555X

Graphics Card

Nov 2013

Release Date

Jul 2018

GeForce 700M

Generation

Radeon Pro Mac

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

-

Boost Clock

-

1250 MHz

Memory Clock

1470 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

94.08GB/s

Render Config

-

SM Count

-

Compute Units

12

1344

Shading Units

768

112

TMUs

48

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

1024 KB

Theoretical Performance

22.32 GPixel/s

Pixel Rate

14.51 GPixel/s

89.26 GTexel/s

Texture Rate

43.54 GTexel/s

-

FP16 (half)

1393 GFLOPS

2.142 TFLOPS

FP32 (float)

1393 GFLOPS

89.26 GFLOPS

FP64 (double)

87.07 GFLOPS

Graphics Processor

GK104

GPU Name

Polaris 21

N13E-GTX-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

Board Design

100W

TDP

75W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

None

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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