NVIDIA GeForce GTX 645 OEM vs AMD Radeon RX 6300

VS

NVIDIA GeForce GTX 645 OEM

AMD Radeon RX 6300

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 645 OEM and 2GB VRAM Radeon RX 6300 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)

192 additional rendering cores

Lower TDP (32W vs 65W)

Score

Benchmark

FP32 (float)

GeForce GTX 645 OEM

0.949 TFLOPS

Radeon RX 6300 +230%

3.133 TFLOPS

GeForce GTX 645 OEM

VS

Radeon RX 6300

Graphics Card

Apr 2013

Release Date

Unknown

GeForce 600

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

-

Base Clock

1000 MHz

-

Boost Clock

2040 MHz

1000 MHz

Memory Clock

2000 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

32bit

64.00GB/s

Bandwidth

64.00GB/s

Render Config

-

Compute Units

12

-

576

Shading Units

768

48

TMUs

48

16

ROPs

32

-

RT Cores

12

16 KB (per SMX)

L1 Cache

128 KB per Array

256 KB

L2 Cache

1024 KB

-

L3 Cache

8 MB

Theoretical Performance

9.888 GPixel/s

Pixel Rate

65.28 GPixel/s

39.55 GTexel/s

Texture Rate

97.92 GTexel/s

-

FP16 (half)

6.267 TFLOPS

949.2 GFLOPS

FP32 (float)

3.133 TFLOPS

39.55 GFLOPS

FP64 (double)

195.8 GFLOPS

Board Design

65W

TDP

32W

250 W

Suggested PSU

200 W

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

2x HDMI 2.1

None

Power Connectors

None

Graphics Processor

GK106

GPU Name

Navi 24

GK106-200-A1

GPU Variant

Navi 24 XL

Kepler

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

6 nm

2.54 billion

Transistors

5.4 billion

221 mm²

Die Size

107 mm²

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.2

1.1

Vulkan

1.3

3.0

CUDA

-

5.1

Shader Model

6.7

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