Intel Core Ultra 7 155U vs AMD Ryzen 9 7940HS

Comparative analysis of Intel Core Ultra 7 155U and AMD Ryzen 9 7940HS processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, 3DMark Fire Strike - Physics Score.

Intel Core Ultra 7 155U

AMD Ryzen 9 7940HS

Differences

Reasons to consider the Intel Core Ultra 7 155U

CPU is newer: launch date 11 month(s) later
4 more cores, run more applications at once: 12 vs 8
Around 10% higher maximum core temperature: 110°C vs 100°C
2.6x more L1 cache, more data can be stored in the L1 cache for quick access later
3145728x more L2 cache, more data can be stored in the L2 cache for quick access later
786432x more L3 cache, more data can be stored in the L3 cache for quick access later
2.3x lower typical power consumption: 15 Watt vs 35 Watt

Launch date	14 Dec 2023 vs Jan 2023
Number of cores	12 vs 8
Maximum core temperature	110°C vs 100°C
L1 cache	112 KB (per core) vs 64K (per core)
L2 cache	2 MB (per core) vs 1MB (per core)
L3 cache	12 MB (shared) vs 16MB (shared)
Thermal Design Power (TDP)	15 Watt vs 35 Watt

Reasons to consider the AMD Ryzen 9 7940HS

2 more threads: 16 vs 14
Around 8% higher clock speed: 5.2 GHz vs 4.8 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 4 nm vs 7 nm
Around 13% better performance in PassMark - Single thread mark: 3903 vs 3442
Around 81% better performance in PassMark - CPU mark: 30388 vs 16794

Specifications (specs)
Number of threads	16 vs 14
Maximum frequency	5.2 GHz vs 4.8 GHz
Manufacturing process technology	4 nm vs 7 nm
Benchmarks
PassMark - Single thread mark	3903 vs 3442
PassMark - CPU mark	30388 vs 16794

Compare benchmarks

CPU 1: Intel Core Ultra 7 155U
CPU 2: AMD Ryzen 9 7940HS

PassMark - Single thread mark

CPU 1

CPU 2

3442

3903

PassMark - CPU mark

CPU 1

CPU 2

16794

30388

Name	Intel Core Ultra 7 155U	AMD Ryzen 9 7940HS
PassMark - Single thread mark	3442	3903
PassMark - CPU mark	16794	30388
3DMark Fire Strike - Physics Score		7717

Compare specifications (specs)

	Intel Core Ultra 7 155U	AMD Ryzen 9 7940HS
Essentials
Launch date	14 Dec 2023	Jan 2023
Launch price (MSRP)	$490
Place in performance rating	430	340
Performance
Base frequency	1700 MHz	4 GHz
L1 cache	112 KB (per core)	64K (per core)
L2 cache	2 MB (per core)	1MB (per core)
L3 cache	12 MB (shared)	16MB (shared)
Manufacturing process technology	7 nm	4 nm
Maximum core temperature	110°C	100°C
Maximum frequency	4.8 GHz	5.2 GHz
Number of cores	12	8
Number of threads	14	16
Unlocked
Die size		178 mm²
Transistor count		25,000 million
Memory
ECC memory support
Supported memory types	DDR5, Depends on motherboard	DDR5-5600 MHz, Dual-channel
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	Intel BGA 2049	FP8
Thermal Design Power (TDP)	15 Watt	35 Watt
Configurable TDP		54 Watt
Peripherals
PCIe configurations	Gen 4, 12 Lanes, (CPU only)	Gen 4, 20 Lanes, (CPU only)