AMD Radeon RX 6300 vs AMD Radeon HD 6450

VS

AMD Radeon RX 6300

AMD Radeon HD 6450

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 6300 and 512MB VRAM Radeon HD 6450 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 512GB)

Larger VRAM bandwidth (64.00GB/s vs 25.60GB/s)

608 additional rendering cores

AMD Radeon HD 6450 's Advantages

Lower TDP (18W vs 32W)

Score

Benchmark

FP32 (float)

Radeon RX 6300 +1466%

3.133 TFLOPS

Radeon HD 6450

0.2 TFLOPS

Radeon RX 6300

VS

Radeon HD 6450

Graphics Card

Unknown

Release Date

Apr 2011

Navi II

Generation

Northern Islands

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

800 MHz

Memory

2GB

Memory Size

512MB

GDDR6

Memory Type

GDDR5

32bit

Memory Bus

64bit

64.00GB/s

Bandwidth

25.60GB/s

Render Config

12

Compute Units

2

-

768

Shading Units

160

48

TMUs

8

32

ROPs

4

-

12

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

1024 KB

L2 Cache

128 KB

8 MB

L3 Cache

-

Theoretical Performance

65.28 GPixel/s

Pixel Rate

2.500 GPixel/s

97.92 GTexel/s

Texture Rate

5.000 GTexel/s

6.267 TFLOPS

FP16 (half)

-

3.133 TFLOPS

FP32 (float)

200.0 GFLOPS

195.8 GFLOPS

FP64 (double)

-

Board Design

32W

TDP

18W

200 W

Suggested PSU

200 W

2x HDMI 2.1

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

None

Power Connectors

None

Graphics Processor

Navi 24

GPU Name

Caicos

Navi 24 XL

GPU Variant

Caicos PRO

RDNA 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

6 nm

Process Size

40 nm

5.4 billion

Transistors

0.37 billion

107 mm²

Die Size

67 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.2

OpenCL

1.2

1.3

Vulkan

N/A

-

6.7

Shader Model

5.0

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