AMD Radeon 550X Mobile vs NVIDIA GeForce GT 745A

VS

AMD Radeon 550X Mobile

NVIDIA GeForce GT 745A

We compared two Mobile platform GPUs: 4GB VRAM Radeon 550X Mobile and 2GB VRAM GeForce GT 745A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 550X Mobile 's Advantages

Released 4 years and 8 months late

Boost Clock has increased by 41% (1287MHz vs 915MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (48.00GB/s vs 28.80GB/s)

256 additional rendering cores

NVIDIA GeForce GT 745A 's Advantages

Lower TDP (33W vs 50W)

Score

Benchmark

FP32 (float)

Radeon 550X Mobile +134%

1.647 TFLOPS

GeForce GT 745A

0.703 TFLOPS

Radeon 550X Mobile

VS

GeForce GT 745A

Graphics Card

Apr 2018

Release Date

Aug 2013

Mobility Radeon

Generation

GeForce 700A

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1100 MHz

Base Clock

837 MHz

1287 MHz

Boost Clock

915 MHz

1500 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

64bit

Memory Bus

128bit

48.00GB/s

Bandwidth

28.80GB/s

Render Config

10

Compute Units

-

640

Shading Units

384

40

TMUs

32

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

20.59 GPixel/s

Pixel Rate

7.320 GPixel/s

51.48 GTexel/s

Texture Rate

29.28 GTexel/s

1.647 TFLOPS

FP16 (half)

-

1.647 TFLOPS

FP32 (float)

702.7 GFLOPS

103.0 GFLOPS

FP64 (double)

29.28 GFLOPS

Board Design

50W

TDP

33W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Polaris 23

GPU Name

GK107

Polaris 23 MXT

GPU Variant

N14P-LP

GCN 4.0

Architecture

Kepler

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

2.2 billion

Transistors

1.27 billion

103 mm²

Die Size

118 mm²

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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