AMD Ryzen 5 7640U vs AMD Ryzen 9 7940HS

Comparative analysis of AMD Ryzen 5 7640U 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.

 

Differences

Reasons to consider the AMD Ryzen 5 7640U

  • 2.3x lower typical power consumption: 15 Watt vs 35 Watt
Thermal Design Power (TDP) 15 Watt vs 35 Watt

Reasons to consider the AMD Ryzen 9 7940HS

  • 2 more cores, run more applications at once: 8 vs 6
  • 4 more threads: 16 vs 12
  • Around 6% higher clock speed: 5.2 GHz vs 4.9 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 11% better performance in PassMark - Single thread mark: 3902 vs 3524
  • Around 43% better performance in PassMark - CPU mark: 30380 vs 21284
Specifications (specs)
Number of cores 8 vs 6
Number of threads 16 vs 12
Maximum frequency 5.2 GHz vs 4.9 GHz
L1 cache 64K (per core) vs 64K (per core)
L2 cache 1MB (per core) vs 1MB (per core)
Benchmarks
PassMark - Single thread mark 3902 vs 3524
PassMark - CPU mark 30380 vs 21284

Compare benchmarks

CPU 1: AMD Ryzen 5 7640U
CPU 2: AMD Ryzen 9 7940HS

PassMark - Single thread mark
CPU 1
CPU 2
3524
3902
PassMark - CPU mark
CPU 1
CPU 2
21284
30380
Name AMD Ryzen 5 7640U AMD Ryzen 9 7940HS
PassMark - Single thread mark 3524 3902
PassMark - CPU mark 21284 30380
3DMark Fire Strike - Physics Score 7717

Compare specifications (specs)

AMD Ryzen 5 7640U AMD Ryzen 9 7940HS

Essentials

Launch date Jan 2023 Jan 2023
Place in performance rating 350 341

Performance

Base frequency 3.5 GHz 4 GHz
Die size 178 mm² 178 mm²
L1 cache 64K (per core) 64K (per core)
L2 cache 1MB (per core) 1MB (per core)
L3 cache 16MB (shared) 16MB (shared)
Manufacturing process technology 4 nm 4 nm
Maximum core temperature 100°C 100°C
Maximum frequency 4.9 GHz 5.2 GHz
Number of cores 6 8
Number of threads 12 16
Transistor count 25,000 million 25,000 million
Unlocked

Memory

ECC memory support
Supported memory types DDR5-5600 MHz, Dual-channel DDR5-5600 MHz, Dual-channel

Compatibility

Configurable TDP 28 Watt 54 Watt
Max number of CPUs in a configuration 1 1
Sockets supported FP8 FP8
Thermal Design Power (TDP) 15 Watt 35 Watt

Peripherals

PCIe configurations Gen 4, 20 Lanes, (CPU only) Gen 4, 20 Lanes, (CPU only)