Home GPU Comparison AMD Radeon RX 6450M vs AMD Radeon RX 540 Mobile

AMD Radeon RX 6450M vs AMD Radeon RX 540 Mobile

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX 6450M and 2GB VRAM Radeon RX 540 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6450M 's Advantages
Released 5 years and 2 months late
Boost Clock has increased by 102% (2460MHz vs 1219MHz)
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (128.0GB/s vs 96.00GB/s)
256 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon RX 6450M +202%
3.779 TFLOPS
Radeon RX 540 Mobile
1.248 TFLOPS
VS

Graphics Card

Jan 2023
Release Date
Nov 2017
Navi Mobile
Generation
Mobility Radeon
Mobile
Type
Mobile
PCIe 4.0 x4
Bus Interface
PCIe 3.0 x8

Clock Speeds

2000 MHz
Base Clock
1124 MHz
2460 MHz
Boost Clock
1219 MHz
2000 MHz
Memory Clock
1500 MHz

Memory

4GB
Memory Size
2GB
GDDR6
Memory Type
GDDR5
64bit
Memory Bus
128bit
128.0GB/s
Bandwidth
96.00GB/s

Render Config

12
Compute Units
8
-
-
-
768
Shading Units
512
48
TMUs
32
32
ROPs
16
-
-
-
12
RT Cores
-
128 KB per Array
L1 Cache
16 KB (per CU)
1024 KB
L2 Cache
512 KB
16 MB
L3 Cache
-

Theoretical Performance

78.72 GPixel/s
Pixel Rate
19.50 GPixel/s
118.1 GTexel/s
Texture Rate
39.01 GTexel/s
7.557 TFLOPS
FP16 (half)
1248 GFLOPS
3.779 TFLOPS
FP32 (float)
1248 GFLOPS
236.2 GFLOPS
FP64 (double)
78.02 GFLOPS

Board Design

50W
TDP
50W
-
-
-
Portable Device Dependent
Outputs
No outputs
None
Power Connectors
None

Graphics Processor

Navi 24
GPU Name
Lexa
Navi 24 XML
GPU Variant
Lexa PRO (215-0904018)
RDNA 2.0
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
6 nm
Process Size
14 nm
5.4 billion
Transistors
2.2 billion
107 mm²
Die Size
103 mm²

Graphics Features

12 Ultimate (12_2)
DirectX
12 (12_0)
4.6
OpenGL
4.6
2.2
OpenCL
2.1
1.3
Vulkan
1.2
-
-
-
6.7
Shader Model
6.4

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