AMD Radeon RX 540 vs Apple 4-Core A19 Full Specs

Summary

512 Shaders 1.22GHz	512 Shaders 1.47GHz
2GB GDDR596GB/s placeholder	Shared Memory68.3GB/sLPDDR5X
Peak·FP32·FP16 1.25 TFLOPS	Peak·FP32·FP16 1.5 TFLOPS
Form Factor PCIe Card	Form Factor iGPU
TDP -	TDP Shared

Highlights

Peak OPS

Peak OPS FP32 FP16 Tensor FP8-16 Tensor FP8-32 Tensor FP16-16 Tensor FP16-32 FP64 Memory Bandwidth

Radeon RX 5401.25 TFLOPSFP16

x1

4-Core A193.01 TFLOPSFP8-16 Tensor

x2.41

Show Top Score

Theoretical Performance

Clock Speed1219MHz UC·Base·Boost·OC	Clock Speed1470MHz UC·Boost·OC
Peak OPS 1.25 TFLOPSFP16	Peak OPS 3.01 TFLOPSFP8-16 Tensor
-	Tensor FP8-16 3.01 TFLOPS Tensor FP8-32 3.01 TFLOPS
-	Tensor FP16-16 1.5 TFLOPS Tensor FP16-32 1.5 TFLOPS
FP32 1.25 TFLOPS	FP32 1.5 TFLOPS
FP64 78.02 GFLOPS	-
Pixel Rate 19.5 GPixel/s	Pixel Rate 23.5 GPixel/s
Texture Rate 39 GTexel/s	Texture Rate 47 GTexel/s

Core Config

Shaders 512 Shaders	Shaders 512 Shaders
TMUs 32 TMUs	TMUs 32 TMUs
ROPs 16 ROPs	ROPs 16 ROPs
Tensor Cores -	Tensor Cores 4 T-Cores
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 1.47GHz

Cache

L2 Cache 512KB shared

L2 Cache 1MB shared

Memory

2GB GDDR5 placeholder	Shared MemoryLPDDR5X
Memory Bus 128-bit	Memory Bus 64-bit
Memory Speed 6GT/s	Memory Speed 8.5GT/s
Memory Bandwidth 96GB/s	Memory Bandwidth 68.3GB/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 8
Family Radeon RX 500	Family A Series
Branding	Branding
Codename Lexa	Codename G18A
Chip Variant Polaris 12 XL	Chip Variant -
Market Segment Desktop	Market Segment Smartphone
Release Date Apr 18, 2017	Release Date Mar 2, 2026

Fabrication

Foundry GlobalFoundries	Foundry TSMC
Fabrication Node 14LPP	Fabrication Node N3P
Die Size 103mm²	Die Size 83mm²
Transistor Count 2.2 Billion	Transistor Count 14.3 Billion
Transistor Density 21.36 MTr/mm²	Transistor Density 172 MTr/mm²

Images

No images available

No images available

Used In

CPUs -	CPUs A19 (17e)
Smartphones -	Smartphones iPhone 17e

Competitors

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

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