Home GPU Comparison AMD Radeon RX 540X Mobile vs AMD Radeon RX 6650M XT

AMD Radeon RX 540X Mobile vs AMD Radeon RX 6650M XT

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 540X Mobile and 8GB VRAM Radeon RX 6650M XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 540X Mobile 's Advantages
Lower TDP (50W vs 120W)
AMD Radeon RX 6650M XT 's Advantages
Released 3 years and 9 months late
Boost Clock has increased by 100% (2416MHz vs 1211MHz)
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (256.0GB/s vs 96.00GB/s)
1536 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon RX 540X Mobile
1.24 TFLOPS
Radeon RX 6650M XT +698%
9.896 TFLOPS
VS

Graphics Card

Apr 2018
Release Date
Jan 2022
Mobility Radeon
Generation
Mobility Radeon
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 4.0 x8

Clock Speeds

1124 MHz
Base Clock
2068 MHz
1211 MHz
Boost Clock
2416 MHz
1500 MHz
Memory Clock
2000 MHz

Memory

2GB
Memory Size
8GB
GDDR5
Memory Type
GDDR6
128bit
Memory Bus
128bit
96.00GB/s
Bandwidth
256.0GB/s

Render Config

8
Compute Units
32
-
-
-
512
Shading Units
2048
32
TMUs
128
16
ROPs
64
-
-
-
-
RT Cores
32
16 KB (per CU)
L1 Cache
128 KB per Array
512 KB
L2 Cache
2 MB
-
L3 Cache
32 MB

Theoretical Performance

19.38 GPixel/s
Pixel Rate
154.6 GPixel/s
38.75 GTexel/s
Texture Rate
309.2 GTexel/s
1240 GFLOPS
FP16 (half)
19.79 TFLOPS
1240 GFLOPS
FP32 (float)
9.896 TFLOPS
77.50 GFLOPS
FP64 (double)
618.5 GFLOPS

Board Design

50W
TDP
120W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
None

Graphics Processor

Polaris 23
GPU Name
Navi 23
Polaris 23 MXL
GPU Variant
-
GCN 4.0
Architecture
RDNA 2.0
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
7 nm
2.2 billion
Transistors
11.06 billion
103 mm²
Die Size
237 mm²

Graphics Features

12 (12_0)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
2.1
OpenCL
2.1
1.2
Vulkan
1.3
-
-
-
6.4
Shader Model
6.5

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