AMD Radeon RX 6600M vs Apple Radeon Pro 555X Full Specs

Summary

1,792 Shaders 2.18GHz	768 Shaders 907MHz
8GB GDDR6256GB/s	4GB GDDR594.4GB/s
Peak·FP32·FP16 7.8 TFLOPS	Peak·FP32·FP16 1.39 TFLOPS
Form Factor Soldered	Form Factor Soldered
TDP 100W	TDP 35W

Highlights

Peak OPS

Peak OPS FP32 FP16 FP64 Memory Bandwidth TDP

Radeon RX 6600M15.6 TFLOPSFP16

x11.20

Radeon Pro 555X1.39 TFLOPSFP16

x1

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Theoretical Performance

Clock Speed2177MHz UC·Base·Boost·OC	Clock Speed907MHz UC·Boost·OC
Peak OPS 15.6 TFLOPSFP16	Peak OPS 1.39 TFLOPSFP16
FP32 7.8 TFLOPS	FP32 1.39 TFLOPS
FP64 487.7 GFLOPS	FP64 87.07 GFLOPS
Pixel Rate 139.3 GPixel/s	Pixel Rate 14.5 GPixel/s
Texture Rate 243.8 GTexel/s	Texture Rate 43.5 GTexel/s

Core Config

Shaders 1,792 Shaders	Shaders 768 Shaders
TMUs 112 TMUs	TMUs 48 TMUs
ROPs 64 ROPs	ROPs 16 ROPs
RT Cores 28 RT-Cores	RT Cores -
CUs 28 CUs	CUs 12 CUs

Clocks

Base Clock 1.49GHz	Base Clock -
Boost Clock 2.18GHz	Boost Clock 907MHz

Cache

L2 Cache 2MB shared	L2 Cache 1MB shared
L3 Cache 32MB shared	L3 Cache -
L3 Bandwidth 832GB/s	L3 Bandwidth -

Memory

8GB GDDR6	4GB GDDR5
Memory Bus 128-bit	Memory Bus 128-bit
Memory Speed 16GT/s	Memory Speed 5.9GT/s
Memory Bandwidth 256GB/s	Memory Bandwidth 94.4GB/s
ECC No	ECC No

Power & Thermals

TDP 100W

TDP 35W

Video Output

Multi-Monitor 3	Multi-Monitor 3
HDCP HDCP 2.3	HDCP HDCP 2.2

Encoder

Encoder Model VCN 3.0

Encoder Model VCE 3.4

Decoder

Decoder Model VCN 3.0

Decoder Model UVD 6.3

Card

Form Factor Soldered

Form Factor Soldered

Chip

Manufacturer AMD	Manufacturer Apple
Chip Designer AMD	Chip Designer AMD
Architecture RDNA 2	Architecture GCN 4
Family Radeon RX 6000	Family Radeon Pro
Branding	Branding
Codename Dimgrey Cavefish	Codename Baffin
Chip Variant Navi 23 XL	Chip Variant Polaris 21 XL
Market Segment Laptop	Market Segment Laptop
Release Date May 31, 2021	Release Date Jul 16, 2018

Fabrication

Foundry TSMC	Foundry GlobalFoundries
Fabrication Node N7	Fabrication Node 14LPP
Die Size 237mm²	Die Size 123mm²
Transistor Count 11.1 Billion	Transistor Count 3 Billion
Transistor Density 46.67 MTr/mm²	Transistor Density 24.39 MTr/mm²

Images

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Used In

Laptops Legion 5(Gen 6, Mid 2021)	Laptops MacBook Pro 15(Mid 2018)MacBook Pro 15(Mid 2019)
All-in-Ones Yoga AIO 7(Late 2021)	All-in-Ones iMac 21.5(Early 2019)

Competitors

AMDRadeon RX 6600M vs GPU NVIDIAGeForce RTX 5050 Laptop 60W AMDRadeon RX 6600M vs GPU NVIDIAGeForce RTX 5050 Laptop 50W AMDRadeon RX 6600M vs GPU NVIDIAGeForce RTX 5050 Laptop 80W Show 12 more

AppleRadeon Pro 555X vs GPU NVIDIAGeForce RTX 5050 Laptop 60W AppleRadeon Pro 555X vs GPU NVIDIAGeForce RTX 5050 Laptop 50W AppleRadeon Pro 555X vs GPU NVIDIAGeForce RTX 5050 Laptop 80W Show 12 more