Ryzen 7 7840U vs Mobile Athlon 64 3700+

VS

Aggregate performance score

Mobile Athlon 64 3700+
2005
1 core / 1 thread, 81 Watt
0.22
Ryzen 7 7840U
2023
8 cores / 16 threads, 28 Watt
15.71
+7041%

Ryzen 7 7840U outperforms Mobile Athlon 64 3700+ by a whopping 7041% based on our aggregate benchmark results.

Primary details

Comparing Mobile Athlon 64 3700+ and Ryzen 7 7840U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking3194435
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesMobile Athlon 64AMD Phoenix (Zen 4, Ryzen 7040)
Power efficiency0.2653.06
Architecture codenameClawhammer (2001−2005)Phoenix-U (Zen 4) (2023)
Release dateAugust 2005 (19 years ago)May 2023 (1 year ago)

Detailed specifications

Mobile Athlon 64 3700+ and Ryzen 7 7840U 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 cores1 (Single-Core)8 (Octa-Core)
Threads116
Base clock speedno data3.3 GHz
Boost clock speed2.4 GHz5.1 GHz
Bus rate800 MHzno data
L1 cache128K64K (per core)
L2 cache1 MB1 MB (per core)
L3 cacheno data16 MB (shared)
Chip lithographyno data4 nm
Die size193 mm2178 mm2
Maximum core temperatureno data100 °C
Number of transistors106 million25,000 million
64 bit support++
Windows 11 compatibility-+

Compatibility

Information on Mobile Athlon 64 3700+ and Ryzen 7 7840U 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 configuration11
Socket754FP8
Power consumption (TDP)81 Watt28 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Mobile Athlon 64 3700+ and Ryzen 7 7840U. You'll probably need this information if you require some particular technology.

AES-NI-+
AVX-+
Precision Boost 2no data+

Virtualization technologies

Virtual machine speed-up technologies supported by Mobile Athlon 64 3700+ and Ryzen 7 7840U are enumerated here.

AMD-V-+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Mobile Athlon 64 3700+ and Ryzen 7 7840U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1DDR5-5600

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataAMD Radeon 780M ( - 2700 MHz)

Peripherals

Specifications and connection of peripherals supported by Mobile Athlon 64 3700+ and Ryzen 7 7840U.

PCIe versionno data4.0
PCI Express lanesno data20

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.

Mobile Athlon 64 3700+ 0.22
Ryzen 7 7840U 15.71
+7041%

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.

Mobile Athlon 64 3700+ 356
Ryzen 7 7840U 24960
+6911%

Gaming performance

Pros & cons summary


Performance score 0.22 15.71
Physical cores 1 8
Threads 1 16
Power consumption (TDP) 81 Watt 28 Watt

Ryzen 7 7840U has a 7040.9% higher aggregate performance score, 700% more physical cores and 1500% more threads, and 189.3% lower power consumption.

The Ryzen 7 7840U is our recommended choice as it beats the Mobile Athlon 64 3700+ in performance tests.


Should you still have questions on choice between Mobile Athlon 64 3700+ and Ryzen 7 7840U, ask them in Comments section, and we shall answer.

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AMD Mobile Athlon 64 3700+
Mobile Athlon 64 3700+
AMD Ryzen 7 7840U
Ryzen 7 7840U

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Community ratings

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