AMD Radeon RX 6300 vs NVIDIA GeForce GT 645 OEM

VS

AMD Radeon RX 6300

NVIDIA GeForce GT 645 OEM

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 6300 and 1024MB VRAM GeForce GT 645 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6300 's Advantages

Boost Clock2040MHz

More VRAM (2GB vs 1024GB)

480 additional rendering cores

Lower TDP (32W vs 102W)

NVIDIA GeForce GT 645 OEM 's Advantages

Larger VRAM bandwidth (91.87GB/s vs 64.00GB/s)

Score

Benchmark

FP32 (float)

Radeon RX 6300 +250%

3.133 TFLOPS

GeForce GT 645 OEM

0.894 TFLOPS

Radeon RX 6300

VS

GeForce GT 645 OEM

Graphics Card

Unknown

Release Date

Apr 2012

Navi II

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x4

Bus Interface

PCIe 2.0 x16

Clock Speeds

1000 MHz

Base Clock

-

2040 MHz

Boost Clock

-

2000 MHz

Memory Clock

957 MHz

Memory

2GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

32bit

Memory Bus

192bit

64.00GB/s

Bandwidth

91.87GB/s

Render Config

12

Compute Units

-

SM Count

6

768

Shading Units

288

48

TMUs

48

32

ROPs

24

-

12

RT Cores

-

128 KB per Array

L1 Cache

64 KB (per SM)

1024 KB

L2 Cache

384 KB

8 MB

L3 Cache

-

Theoretical Performance

65.28 GPixel/s

Pixel Rate

9.312 GPixel/s

97.92 GTexel/s

Texture Rate

37.25 GTexel/s

6.267 TFLOPS

FP16 (half)

-

3.133 TFLOPS

FP32 (float)

894.0 GFLOPS

195.8 GFLOPS

FP64 (double)

74.50 GFLOPS

Board Design

32W

TDP

102W

200 W

Suggested PSU

300 W

2x HDMI 2.1

Outputs

2x DVI 1x mini-HDMI 1.3a

None

Power Connectors

-

Graphics Processor

Navi 24

GPU Name

GF114

Navi 24 XL

GPU Variant

-

RDNA 2.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

6 nm

Process Size

40 nm

5.4 billion

Transistors

1.95 billion

107 mm²

Die Size

332 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.2

OpenCL

1.1

1.3

Vulkan

N/A

-

CUDA

2.1

6.7

Shader Model

5.1

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