Ryzen Z1 vs Ryzen 7 7840S

Place in performance ranking	399	595
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Phoenix (Zen 4, Ryzen 7040)	Phoenix (Zen 4, Ryzen 7040)
Architecture codename	Phoenix-HS (Zen 4)	Phoenix (Zen4)
Release date	5 January 2023 (1 year ago)	May 2023 (1 year ago)

Detailed specifications

Ryzen 7 7840S and Ryzen Z1 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores	8 (Octa-Core)	6 (Hexa-Core)
Threads	16	12
Base clock speed	3.8 GHz	3.2 GHz
Boost clock speed	5.1 GHz	4.9 GHz
L1 cache	512 KB	64 KB (per core)
L2 cache	8 MB	1 MB (per core)
L3 cache	16 MB	16 MB (shared)
Chip lithography	4 nm	4 nm
Die size	178 mm²	137 mm²
Maximum core temperature	100 °C	100 °C
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	No	No

Compatibility

Information on Ryzen 7 7840S and Ryzen Z1 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration	no data	1
Socket	FP7/FP7r2/FP8	FP8
Power consumption (TDP)	35 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 7 7840S and Ryzen Z1. You'll probably need this information if you require some particular technology.

Instruction set extensions	DDR5-5600/LPDDR5x-7500 RAM (incl. ECC), PCIe 4, Ryzen AI, MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, AVX-512, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME	no data
AES-NI	+	+
FMA	+	no data
AVX	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 7 7840S and Ryzen Z1 are enumerated here.

AMD-V

no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 7 7840S and Ryzen Z1. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare

AMD Radeon 780M

AMD Radeon 740M

Peripherals

Specifications and connection of peripherals supported by Ryzen 7 7840S and Ryzen Z1.

PCIe version	no data	4.0
PCI Express lanes	no data	20

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Ryzen 7 7840S 15.93
+31.3%

Ryzen Z1 12.13

Ryzen 7 7840S outperforms Ryzen Z1 by 31% based on our aggregate benchmark results.

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Benchmark coverage: 68%

Ryzen 7 7840S 24635
+31.3%

Ryzen Z1 18757

Ryzen 7 7840S outperforms Ryzen Z1 by 31% in Passmark.