AMD Radeon RX 5300M vs NVIDIA GeForce GT 645M

VS

AMD Radeon RX 5300M

NVIDIA GeForce GT 645M

We compared two Mobile platform GPUs: 3GB VRAM Radeon RX 5300M and 2GB VRAM GeForce GT 645M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 5300M 's Advantages

Released 7 years and 1 months late

Boost Clock1445MHz

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (168.0GB/s vs 28.80GB/s)

1024 additional rendering cores

NVIDIA GeForce GT 645M 's Advantages

Lower TDP (32W vs 85W)

Score

Benchmark

FP32 (float)

Radeon RX 5300M +647%

4.069 TFLOPS

GeForce GT 645M

0.544 TFLOPS

Radeon RX 5300M

VS

GeForce GT 645M

Graphics Card

Nov 2019

Release Date

Oct 2012

Mobility Radeon

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1000 MHz

Base Clock

-

1445 MHz

Boost Clock

-

1750 MHz

Memory Clock

900 MHz

Memory

3GB

Memory Size

2GB

GDDR6

Memory Type

DDR3

96bit

Memory Bus

128bit

168.0GB/s

Bandwidth

28.80GB/s

Render Config

22

Compute Units

-

1408

Shading Units

384

88

TMUs

32

ROPs

16

-

L1 Cache

16 KB (per SMX)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

46.24 GPixel/s

Pixel Rate

5.672 GPixel/s

127.2 GTexel/s

Texture Rate

22.69 GTexel/s

8.138 TFLOPS

FP16 (half)

-

4.069 TFLOPS

FP32 (float)

544.5 GFLOPS

254.3 GFLOPS

FP64 (double)

22.69 GFLOPS

Board Design

85W

TDP

32W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Navi 14

GPU Name

GK107

Navi 14 XLM

GPU Variant

N13P-GS

RDNA 1.0

Architecture

Kepler

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

6.4 billion

Transistors

1.27 billion

158 mm²

Die Size

118 mm²

Graphics Features

12 (12_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.3

Vulkan

1.1

-

CUDA

3.0

6.5

Shader Model

5.1

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