AMD Ryzen 9 6900HX vs Apple M4 Max (14C32G) Full Specs

Summary

8 Cores 16 Threads 3.3GHz	14 Cores(10P+4E) 14 Threads(10P+4E) 4.51GHz
TDP 45W	TDP 140W
Bandwidth 204.8GB/s LPDDR5·DDR5	Bandwidth 409.6GB/s LPDDR5X
iGPU Radeon 680M 2400MHz	iGPU 32-Core M4 Max
Peak·FP32·FP16 7.37 TFLOPSFP16	Peak·FP32·FP16 12.93 TFLOPSFP16
Socket FP7	Socket -

Highlights

Geekbench 6 Single

Geekbench 6 Single Geekbench 6 Multi Max Bandwidth iGPU Peak iGPU FP32 iGPU FP16 NPU TOPS TDP

Ryzen 9 6900HX2,146

x1

M4 Max (14C32G)3,990

x1.86

Show Top Score

Core Config

8 Cores 8P -	14 Cores 10P 4E
16 Threads 16P -	14 Threads 10P 4E

Clocks

Base Clock 3.3GHz	Base Clock 4.51GHz
Boost Clock 4.9GHz	Boost Clock -
Overclocking Locked	Overclocking Locked

Cache

L1i 32KB P -	L1i 192KB P 128KB E
L1d 32KB P -	L1d 128KB P 64KB E
L2 512KB P - -	L2 32MB P shared 4MB E shared
L3 32MB	L3 -
SLC Cache -	SLC Cache 48MB

Memory

Type LPDDR5·DDR5	Type LPDDR5X
Max Memory 64GB	Max Memory 96GB
ECC No	ECC No
Channels 4	Channels 3
Bus Width 256-bit	Bus Width 384-bit
Speed 6400MT/s	Speed 8533MT/s
Bandwidth 204.8GB/s	Bandwidth 409.6GB/s
Bandwidth Calculator Channels Transfer Rate6400MT/s Calculated Bandwidth 204.8GB/s	Bandwidth Calculator Channels Transfer Rate8533MT/s Calculated Bandwidth 409.6GB/s

Power & Thermals

TDP 45W	TDP 140W
Max Operating Temp 95°C Max	Max Operating Temp 100°C Max

Chipset Bus

Bus Type PCIe	Bus Type -
Bus Config 4 lanes	Bus Config -
Bus Speed 8GT/s	Bus Speed -
Bus Bandwidth 4GB/s	Bus Bandwidth -

Expansion

PCIe PCIe 4.0 x16 31.5GB/sBandwidth

PCIe PCIe 4.0 x16 31.5GB/sBandwidth

iGPU

iGPU Radeon 680M 2400MHz	iGPU 32-Core M4 Max
Shaders 768	Shaders 4096
Boost Clock 2.4GHz	Boost Clock 1.58GHz
Peak·FP32·FP16 7.37 TFLOPSFP16	Peak·FP32·FP16 12.93 TFLOPSFP16

NPU

NPU Model -	NPU Model H16 Aether
NPU Cores -	NPU Cores 16
NPU Clock -	NPU Clock 2.36GHz
Performance -	Performance 38 TOPSINT8

Chip

Manufacturer AMD	Manufacturer Apple
ISA x86-64	ISA AArch64
Architecture Zen 3+	Architecture Apple Silicon 14ARMv9.2-A
Family Ryzen 6000	Family M Series
Branding	Branding
Codename Rembrandt - - -	Codename Brava M4 MaxVariant AS14PP-Core AS14EE-Core
Market Segment Laptop	Market Segment Desktop
Release Date Jan 4, 2022	Release Date Oct 30, 2024

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node N6	Fabrication Node N3E
Die Size 210mm²	Die Size 454mm²
Transistor Count 13.1 Billion	Transistor Count 76 Billion
Transistor Density 62 MTr/mm²	Transistor Density 167 MTr/mm²

Images

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Used In

Laptops Alienware m15(R7 AMD, Early 2022)Blade 14(Early 2022)Alienware m17(R5, Early 2022) Show 2 more	Laptops MacBook Pro 16(M4 Max, Late 2024)MacBook Pro 14(M4 Max, Late 2024)
Desktops -	Desktops Mac Studio(M4 Max, Early 2025)

Competitors

AMDRyzen 9 6900HX vs CPU IntelCore Ultra 5 335 AMDRyzen 9 6900HX vs CPU IntelCore Ultra 7 355 AMDRyzen 9 6900HX vs CPU IntelCore Ultra 5 325 Show 12 more

AppleM4 Max (14C32G) vs CPU AppleM5 Max (18C32G) AppleM4 Max (14C32G) vs CPU AppleM5 Max (18C40G) AppleM4 Max (14C32G) vs CPU AppleM5 Pro (15C16G) Show 12 more