NVIDIA GeForce GT 755M Mac Edition vs AMD Radeon Pro 555X

VS

NVIDIA GeForce GT 755M Mac Edition

AMD Radeon Pro 555X

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 755M 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 GT 755M Mac Edition 's Advantages

Lower TDP (50W vs 75W)

AMD Radeon Pro 555X 's Advantages

Released 4 years and 8 months late

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (94.08GB/s vs 80.00GB/s)

384 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 755M Mac Edition

0.833 TFLOPS

Radeon Pro 555X +67%

1.393 TFLOPS

GeForce GT 755M Mac Edition

VS

Radeon Pro 555X

Graphics Card

Nov 2013

Release Date

Jul 2018

GeForce 700M

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

1250 MHz

Memory Clock

1470 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

80.00GB/s

Bandwidth

94.08GB/s

Render Config

-

Compute Units

12

-

384

Shading Units

768

32

TMUs

48

16

ROPs

16

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

8.680 GPixel/s

Pixel Rate

14.51 GPixel/s

34.72 GTexel/s

Texture Rate

43.54 GTexel/s

-

FP16 (half)

1393 GFLOPS

833.3 GFLOPS

FP32 (float)

1393 GFLOPS

34.72 GFLOPS

FP64 (double)

87.07 GFLOPS

Board Design

50W

TDP

75W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GK107

GPU Name

Polaris 21

GT 755M

GPU Variant

Polaris 21 PRO

Kepler

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

1.27 billion

Transistors

3 billion

118 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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