AMD Radeon RX 6450M vs AMD Radeon RX 6800S

VS

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX 6450M and 8GB VRAM Radeon RX 6800S to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6450M 's Advantages

Released 1 years late

Boost Clock has increased by 17% (2460MHz vs 2100MHz)

Lower TDP (50W vs 100W)

AMD Radeon RX 6800S 's Advantages

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (256.0GB/s vs 128.0GB/s)

1280 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6450M

3.779 TFLOPS

Radeon RX 6800S +127%

8.602 TFLOPS

Radeon RX 6450M

VS

Radeon RX 6800S

Graphics Card

Jan 2023

Release Date

Jan 2022

Navi Mobile

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 4.0 x4

Bus Interface

PCIe 4.0 x8

Clock Speeds

2000 MHz

Base Clock

1800 MHz

2460 MHz

Boost Clock

2100 MHz

2000 MHz

Memory Clock

2000 MHz

Memory

4GB

Memory Size

8GB

GDDR6

Memory Type

GDDR6

64bit

Memory Bus

128bit

128.0GB/s

Bandwidth

256.0GB/s

Render Config

-

SM Count

-

12

Compute Units

32

768

Shading Units

2048

48

TMUs

128

32

ROPs

64

-

Tensor Cores

-

12

RT Cores

32

128 KB per Array

L1 Cache

128 KB per Array

1024 KB

L2 Cache

2 MB

Theoretical Performance

78.72 GPixel/s

Pixel Rate

134.4 GPixel/s

118.1 GTexel/s

Texture Rate

268.8 GTexel/s

7.557 TFLOPS

FP16 (half)

17.20 TFLOPS

3.779 TFLOPS

FP32 (float)

8.602 TFLOPS

236.2 GFLOPS

FP64 (double)

537.6 GFLOPS

Graphics Processor

Navi 24

GPU Name

Navi 23

Navi 24 XML

GPU Variant

-

RDNA 2.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

6 nm

Process Size

7 nm

5.4 billion

Transistors

11.06 billion

107 mm²

Die Size

237 mm²

Board Design

50W

TDP

100W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.2

OpenCL

2.1

1.3

Vulkan

1.3

-

CUDA

-

6.7

Shader Model

6.5

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