AMD Ryzen 7 8840U vs AMD Ryzen 7 7840U

Comparative analysis of AMD Ryzen 7 8840U and AMD Ryzen 7 7840U 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.

AMD Ryzen 7 8840U

AMD Ryzen 7 7840U

Differences

Reasons to consider the AMD Ryzen 7 8840U

CPU is newer: launch date 7 month(s) later
1048576x more L2 cache, more data can be stored in the L2 cache for quick access later
1048576x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 2% better performance in PassMark - Single thread mark: 3663 vs 3604

Specifications (specs)
Launch date	6 Dec 2023 vs May 2023
L2 cache	1 MB (per core) vs 1MB (per core)
L3 cache	16 MB (shared) vs 16MB (shared)
Benchmarks
PassMark - Single thread mark	3663 vs 3604

Reasons to consider the AMD Ryzen 7 7840U

Around 5% better performance in PassMark - CPU mark: 24956 vs 23844

Benchmarks
PassMark - CPU mark	24956 vs 23844

Compare benchmarks

CPU 1: AMD Ryzen 7 8840U
CPU 2: AMD Ryzen 7 7840U

PassMark - Single thread mark

CPU 1

CPU 2

3663

3604

PassMark - CPU mark

CPU 1

CPU 2

23844

24956

Name	AMD Ryzen 7 8840U	AMD Ryzen 7 7840U
PassMark - Single thread mark	3663	3604
PassMark - CPU mark	23844	24956

Compare specifications (specs)

	AMD Ryzen 7 8840U	AMD Ryzen 7 7840U
Essentials
Launch date	6 Dec 2023	May 2023
Place in performance rating	279	284
Performance
Base frequency	3.3 GHz	3.3 GHz
Die size	178 mm²	178 mm²
L1 cache	64 KB (per core)	64K (per core)
L2 cache	1 MB (per core)	1MB (per core)
L3 cache	16 MB (shared)	16MB (shared)
Manufacturing process technology	4 nm	4 nm
Maximum core temperature	100°C	100°C
Maximum frequency	5.1 GHz	5.1 GHz
Number of cores	8	8
Number of threads	16	16
Transistor count	25,000 million	25,000 million
Unlocked
Memory
ECC memory support
Supported memory types	DDR5	DDR5-5600 MHz, Dual-channel
Compatibility
Configurable TDP	15-30 Watt	15-30 Watt
Max number of CPUs in a configuration	1	1
Sockets supported	FP8	FP8
Thermal Design Power (TDP)	28 Watt	28 Watt
Peripherals
PCIe configurations	Gen 4, 20 Lanes, (CPU only)	Gen 4, 20 Lanes, (CPU only)