AMD Radeon RX 540 vs Apple 4-Core A18 Full Specs

Summary

512 Shaders 1.22GHz	512 Shaders 1.34GHz
2GB GDDR596GB/s placeholder	Shared Memory60GB/sLPDDR5X
Peak·FP32·FP16 1.25 TFLOPS	Peak·FP32·FP16 1.37 TFLOPS
Form Factor PCIe Card	Form Factor iGPU
TDP -	TDP Shared

Highlights

Peak OPS

Peak OPS FP32 FP16 FP64 Memory Bandwidth

Radeon RX 5401.25 TFLOPSFP16

x1

4-Core A181.37 TFLOPSFP16

x1.10

Show Top Score

Theoretical Performance

Clock Speed1219MHz UC·Base·Boost·OC	Clock Speed1338MHz UC·Boost·OC
Peak OPS 1.25 TFLOPSFP16	Peak OPS 1.37 TFLOPSFP16
FP32 1.25 TFLOPS	FP32 1.37 TFLOPS
FP64 78.02 GFLOPS	-
Pixel Rate 19.5 GPixel/s	Pixel Rate 21.4 GPixel/s
Texture Rate 39 GTexel/s	Texture Rate 42.8 GTexel/s

Core Config

Shaders 512 Shaders	Shaders 512 Shaders
TMUs 32 TMUs	TMUs 32 TMUs
ROPs 16 ROPs	ROPs 16 ROPs
RT Cores -	RT Cores 4 RT-Cores
CUs 8 CUs	EUs 64 EUs

Clocks

Base Clock 1.12GHz	Base Clock -
Boost Clock 1.22GHz	Boost Clock 1.34GHz

Cache

L2 Cache 512KB shared

L2 Cache 768KB shared

Memory

2GB GDDR5 placeholder	Shared MemoryLPDDR5X
Memory Bus 128-bit	Memory Bus 64-bit
Memory Speed 6GT/s	Memory Speed 7.5GT/s
Memory Bandwidth 96GB/s	Memory Bandwidth 60GB/s
ECC No	ECC No

Video Output

Multi-Monitor 3	Multi-Monitor 1
HDCP HDCP 2.2	HDCP -

Ports

1x DisplayPort 1.4	-
1x HDMI 2.0	-
1x DVI-D Dual-Link	-

Encoder

Encoder Model VCE 3.4

Encoder Model Apple Media Engine 3

Decoder

Decoder Model UVD 6.3

Decoder Model Apple Media Engine 3

Card

Form Factor PCIe Card	Form Factor iGPU
PCIe 2-Slots	PCIe -
Height 110 mm (4.33") Width 145 mm (5.71") Depth 37 mm (1.46")	-
Cooling Open-Air 1x Fan	Cooling Open-Air -

Chip

Manufacturer AMD	Manufacturer Apple
Chip Designer AMD	Chip Designer Apple
Architecture GCN 4	Architecture Apple Gen 7
Family Radeon RX 500	Family A Series
Branding	Branding
Codename Lexa	Codename G17A
Chip Variant Polaris 12 XL	Chip Variant -
Market Segment Desktop	Market Segment Smartphone
Release Date Apr 18, 2017	Release Date Feb 19, 2025

Fabrication

Foundry GlobalFoundries	Foundry TSMC
Fabrication Node 14LPP	Fabrication Node N3E
Die Size 103mm²	Die Size 90mm²
Transistor Count 2.2 Billion	Transistor Count 15.5 Billion
Transistor Density 21.36 MTr/mm²	Transistor Density 172 MTr/mm²

Images

No images available

No images available

Used In

CPUs -	CPUs A18 (16e)
Smartphones -	Smartphones iPhone 16e

Competitors

AMDRadeon RX 540 vs GPU Apple4-Core A19 AMDRadeon RX 540 vs GPU Apple4-Core A16 AMDRadeon RX 540 vs GPU Apple5-Core A18 Pro Show 2 more

Apple4-Core A18 vs GPU Apple4-Core A16 Apple4-Core A18 vs GPU Apple4-Core A19 Apple4-Core A18 vs GPU Apple5-Core A19 Pro Show 12 more