AMD Radeon RX 550X Mobile vs NVIDIA GeForce GT 745M

VS

AMD Radeon RX 550X Mobile NVIDIA GeForce GT 745M

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

Main Differences

AMD Radeon RX 550X Mobile 's Advantages

Released 5 years late

Boost Clock1176MHz

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

256 additional rendering cores

NVIDIA GeForce GT 745M 's Advantages

Lower TDP (45W vs 50W)

Score

Benchmark

FP32 (float)

Radeon RX 550X Mobile +134%

1.505 TFLOPS

GeForce GT 745M

0.643 TFLOPS

Radeon RX 550X Mobile

VS

GeForce GT 745M

Graphics Card

Apr 2018

Release Date

Apr 2013

Mobility Radeon

Generation

GeForce 700M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1100 MHz

Base Clock

-

1176 MHz

Boost Clock

-

1500 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

64bit

Memory Bus

128bit

48.00GB/s

Bandwidth

28.80GB/s

Render Config

-

SM Count

-

10

Compute Units

-

640

Shading Units

384

40

TMUs

32

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

256 KB

Theoretical Performance

18.82 GPixel/s

Pixel Rate

6.696 GPixel/s

47.04 GTexel/s

Texture Rate

26.78 GTexel/s

1.505 TFLOPS

FP16 (half)

-

1.505 TFLOPS

FP32 (float)

642.8 GFLOPS

94.08 GFLOPS

FP64 (double)

26.78 GFLOPS

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

Board Design

50W

TDP

45W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

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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