NVIDIA GeForce GT 645 OEM vs AMD Radeon RX 5300

VS

NVIDIA GeForce GT 645 OEM

AMD Radeon RX 5300

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 645 OEM and 3GB VRAM Radeon RX 5300 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 5300 's Advantages

Released 8 years and 1 months late

Boost Clock1645MHz

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (168.0GB/s vs 91.87GB/s)

1120 additional rendering cores

Lower TDP (100W vs 102W)

Score

Benchmark

FP32 (float)

GeForce GT 645 OEM

0.894 TFLOPS

Radeon RX 5300 +418%

4.632 TFLOPS

GeForce GT 645 OEM

VS

Radeon RX 5300

Graphics Card

Apr 2012

Release Date

May 2020

GeForce 600

Generation

Navi

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

1327 MHz

-

Boost Clock

1645 MHz

957 MHz

Memory Clock

1750 MHz

Memory

1024MB

Memory Size

3GB

GDDR5

Memory Type

GDDR6

192bit

Memory Bus

96bit

91.87GB/s

Bandwidth

168.0GB/s

Render Config

-

Compute Units

22

6

SM Count

-

288

Shading Units

1408

48

TMUs

88

24

ROPs

32

-

64 KB (per SM)

L1 Cache

-

384 KB

L2 Cache

1536 KB

-

Theoretical Performance

9.312 GPixel/s

Pixel Rate

52.64 GPixel/s

37.25 GTexel/s

Texture Rate

144.8 GTexel/s

-

FP16 (half)

9.265 TFLOPS

894.0 GFLOPS

FP32 (float)

4.632 TFLOPS

74.50 GFLOPS

FP64 (double)

289.5 GFLOPS

Board Design

102W

TDP

100W

300 W

Suggested PSU

300 W

2x DVI 1x mini-HDMI 1.3a

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

-

Power Connectors

1x 6-pin

Graphics Processor

GF114

GPU Name

Navi 14

-

GPU Variant

Navi 14 XE

Fermi 2.0

Architecture

RDNA 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

7 nm

1.95 billion

Transistors

6.4 billion

332 mm²

Die Size

158 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.3

2.1

CUDA

-

5.1

Shader Model

6.5

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