AMD Ryzen 7 7840U vs AMD Ryzen 7 7700X

Comparative analysis of AMD Ryzen 7 7840U and AMD Ryzen 7 7700X processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, 3DMark Fire Strike - Physics Score.

AMD Ryzen 7 7840U

AMD Ryzen 7 7700X

Differences

Reasons to consider the AMD Ryzen 7 7840U

CPU is newer: launch date 7 month(s) later
A newer manufacturing process allows for a more powerful, yet cooler running processor: 4 nm vs 5 nm
3.8x lower typical power consumption: 28 Watt vs 105 Watt

Launch date	May 2023 vs 27 Sep 2022
Manufacturing process technology	4 nm vs 5 nm
Thermal Design Power (TDP)	28 Watt vs 105 Watt

Reasons to consider the AMD Ryzen 7 7700X

Processor is unlocked, an unlocked multiplier allows for easier overclocking
Around 6% higher clock speed: 5.4 GHz vs 5.1 GHz
1048576x more L2 cache, more data can be stored in the L2 cache for quick access later
2097152x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 17% better performance in PassMark - Single thread mark: 4192 vs 3581
Around 44% better performance in PassMark - CPU mark: 35855 vs 24934

Specifications (specs)
Unlocked	Unlocked vs Locked
Maximum frequency	5.4 GHz vs 5.1 GHz
L2 cache	8 MB vs 1MB (per core)
L3 cache	32 MB vs 16MB (shared)
Benchmarks
PassMark - Single thread mark	4192 vs 3581
PassMark - CPU mark	35855 vs 24934

Compare benchmarks

CPU 1: AMD Ryzen 7 7840U
CPU 2: AMD Ryzen 7 7700X

PassMark - Single thread mark

CPU 1

CPU 2

3581

4192

PassMark - CPU mark

CPU 1

CPU 2

24934

35855

Name	AMD Ryzen 7 7840U	AMD Ryzen 7 7700X
PassMark - Single thread mark	3581	4192
PassMark - CPU mark	24934	35855
3DMark Fire Strike - Physics Score		8904

Compare specifications (specs)

	AMD Ryzen 7 7840U	AMD Ryzen 7 7700X
Essentials
Launch date	May 2023	27 Sep 2022
Place in performance rating	288	199
Architecture codename		Zen 4
Launch price (MSRP)		$399
OPN Tray		100-000000591
Vertical segment		Desktop
Performance
Base frequency	3.3 GHz	4.5 GHz
Die size	178 mm²	70 mm²
L1 cache	64K (per core)	512 KB
L2 cache	1MB (per core)	8 MB
L3 cache	16MB (shared)	32 MB
Manufacturing process technology	4 nm	5 nm
Maximum core temperature	100°C	100 °C
Maximum frequency	5.1 GHz	5.4 GHz
Number of cores	8	8
Number of threads	16	16
Transistor count	25,000 million	6570 million
Unlocked
Maximum case temperature (TCase)		61 °C
Memory
ECC memory support
Supported memory types	DDR5-5600 MHz, Dual-channel	DDR5-5200
Max memory channels		2
Compatibility
Configurable TDP	15-30 Watt
Max number of CPUs in a configuration	1	1
Sockets supported	FP8	AM5
Thermal Design Power (TDP)	28 Watt	105 Watt
Peripherals
PCIe configurations	Gen 4, 20 Lanes, (CPU only)
Max number of PCIe lanes		24
PCI Express revision		5.0
Advanced Technologies
Enhanced Virus Protection (EVP)
Fused Multiply-Add 3 (FMA3)
Intel® Advanced Vector Extensions (AVX)
Intel® Advanced Vector Extensions 2 (AVX2)
Intel® AES New Instructions
Virtualization
AMD Virtualization (AMD-V™)