NVIDIA GeForce RTX 4090 vs AMD Radeon RX 6300

VS

NVIDIA GeForce RTX 4090

AMD Radeon RX 6300

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090 and 2GB VRAM Radeon RX 6300 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090 's Advantages

Boost Clock has increased by 24% (2520MHz vs 2040MHz)

More VRAM (24GB vs 2GB)

Larger VRAM bandwidth (1.01TB/s vs 64.00GB/s)

15616 additional rendering cores

AMD Radeon RX 6300 's Advantages

Lower TDP (32W vs 450W)

Score

Benchmark

FP32 (float)

GeForce RTX 4090 +2535%

82.58 TFLOPS

Radeon RX 6300

3.133 TFLOPS

GeForce RTX 4090

VS

Radeon RX 6300

Graphics Card

Sep 2022

Release Date

Unknown

GeForce 40

Generation

Navi II

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

2235 MHz

Base Clock

1000 MHz

2520 MHz

Boost Clock

2040 MHz

1313 MHz

Memory Clock

2000 MHz

Memory

24GB

Memory Size

2GB

GDDR6X

Memory Type

GDDR6

384bit

Memory Bus

32bit

1.01TB/s

Bandwidth

64.00GB/s

Render Config

-

Compute Units

12

128

SM Count

-

16384

Shading Units

768

512

TMUs

48

176

ROPs

32

512

Tensor Cores

-

128

RT Cores

12

128 KB (per SM)

L1 Cache

128 KB per Array

72 MB

L2 Cache

1024 KB

-

L3 Cache

8 MB

Theoretical Performance

443.5 GPixel/s

Pixel Rate

65.28 GPixel/s

1290 GTexel/s

Texture Rate

97.92 GTexel/s

82.58 TFLOPS

FP16 (half)

6.267 TFLOPS

82.58 TFLOPS

FP32 (float)

3.133 TFLOPS

1290 GFLOPS

FP64 (double)

195.8 GFLOPS

Board Design

450W

TDP

32W

850 W

Suggested PSU

200 W

1x HDMI 2.13x DisplayPort 1.4a

Outputs

2x HDMI 2.1

1x 16-pin

Power Connectors

None

Graphics Processor

AD102

GPU Name

Navi 24

AD102-300-A1

GPU Variant

Navi 24 XL

Ada Lovelace

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

5 nm

Process Size

6 nm

76.3 billion

Transistors

5.4 billion

609 mm²

Die Size

107 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.2

1.3

Vulkan

1.3

8.9

CUDA

-

6.8

Shader Model

6.7

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