NVIDIA GeForce GT 745A vs AMD Radeon Pro 555X

VS

NVIDIA GeForce GT 745A

AMD Radeon Pro 555X

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 745A 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 745A 's Advantages

Boost Clock915MHz

Lower TDP (33W vs 75W)

AMD Radeon Pro 555X 's Advantages

Released 4 years and 11 months late

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (94.08GB/s vs 28.80GB/s)

384 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 745A

0.703 TFLOPS

Radeon Pro 555X +98%

1.393 TFLOPS

GeForce GT 745A

VS

Radeon Pro 555X

Graphics Card

Aug 2013

Release Date

Jul 2018

GeForce 700A

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

837 MHz

Base Clock

-

915 MHz

Boost Clock

-

900 MHz

Memory Clock

1470 MHz

Memory

2GB

Memory Size

4GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

28.80GB/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

7.320 GPixel/s

Pixel Rate

14.51 GPixel/s

29.28 GTexel/s

Texture Rate

43.54 GTexel/s

-

FP16 (half)

1393 GFLOPS

702.7 GFLOPS

FP32 (float)

1393 GFLOPS

29.28 GFLOPS

FP64 (double)

87.07 GFLOPS

Board Design

33W

TDP

75W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GK107

GPU Name

Polaris 21

N14P-LP

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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