AMD Ryzen 9 6900HX vs AMD Ryzen 5 6600U

Comparative analysis of AMD Ryzen 9 6900HX and AMD Ryzen 5 6600U processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Compatibility, Peripherals, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, 3DMark Fire Strike - Physics Score.

AMD Ryzen 9 6900HX

AMD Ryzen 5 6600U

Differences

Reasons to consider the AMD Ryzen 9 6900HX

Processor is unlocked, an unlocked multiplier allows for easier overclocking
2 more cores, run more applications at once: 8 vs 6
4 more threads: 16 vs 12
Around 9% higher clock speed: 4.9 GHz vs 4.5 GHz
Around 33% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 33% more L2 cache; more data can be stored in the L2 cache for quick access later
Around 8% better performance in PassMark - Single thread mark: 3442 vs 3173
Around 50% better performance in PassMark - CPU mark: 24768 vs 16545

Specifications (specs)
Unlocked	Unlocked vs Locked
Number of cores	8 vs 6
Number of threads	16 vs 12
Maximum frequency	4.9 GHz vs 4.5 GHz
L1 cache	512 KB vs 384 KB
L2 cache	4 MB vs 3 MB
Benchmarks
PassMark - Single thread mark	3442 vs 3173
PassMark - CPU mark	24768 vs 16545

Reasons to consider the AMD Ryzen 5 6600U

3x lower typical power consumption: 15 Watt vs 45 Watt

Thermal Design Power (TDP)	15 Watt vs 45 Watt

Compare benchmarks

CPU 1: AMD Ryzen 9 6900HX
CPU 2: AMD Ryzen 5 6600U

PassMark - Single thread mark

CPU 1

CPU 2

3442

3173

PassMark - CPU mark

CPU 1

CPU 2

24768

16545

Name	AMD Ryzen 9 6900HX	AMD Ryzen 5 6600U
PassMark - Single thread mark	3442	3173
PassMark - CPU mark	24768	16545
3DMark Fire Strike - Physics Score	6849

Compare specifications (specs)

	AMD Ryzen 9 6900HX	AMD Ryzen 5 6600U
Essentials
Architecture codename	Zen 3+	Zen 3+
Launch date	Jan 2022	Jan 2022
Place in performance rating	549	545
Vertical segment	Mobile
Performance
Base frequency	3.3 GHz	2.9 GHz
Die size	208 mm²	208 mm²
L1 cache	512 KB	384 KB
L2 cache	4 MB	3 MB
L3 cache	16 MB	16 MB
Manufacturing process technology	6 nm	6 nm
Maximum core temperature	95 °C	95 °C
Maximum frequency	4.9 GHz	4.5 GHz
Number of cores	8	6
Number of threads	16	12
Unlocked
Memory
ECC memory support
Max memory channels	2	2
Supported memory types	DDR5-4800	DDR5-4800
Graphics
Graphics max frequency	2400 MHz
Compatibility
Sockets supported	FP7	FP7
Thermal Design Power (TDP)	45 Watt	15 Watt
Configurable TDP		15-28 Watt
Max number of CPUs in a configuration		1
Peripherals
Max number of PCIe lanes	20	20
PCI Express revision	4.0	4.0
Advanced Technologies
AMD SenseMI
AMD StoreMI technology
Fused Multiply-Add 3 (FMA3)
Intel® Advanced Vector Extensions (AVX)
Intel® Advanced Vector Extensions 2 (AVX2)
Intel® AES New Instructions
Enhanced Virus Protection (EVP)
Virtualization
AMD Virtualization (AMD-V™)