Ryzen 7 7840U vs i7-640LM

VS

Aggregate performance score

Core i7-640LM
2010
2 cores / 4 threads, 25 Watt
0.96
Ryzen 7 7840U
2023
8 cores / 16 threads, 28 Watt
15.71
+1536%

Ryzen 7 7840U outperforms Core i7-640LM by a whopping 1536% based on our aggregate benchmark results.

Primary details

Comparing Core i7-640LM and Ryzen 7 7840U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2510435
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Core i7AMD Phoenix (Zen 4, Ryzen 7040)
Power efficiency3.6353.10
Architecture codenameArrandale (2010−2011)Phoenix-U (Zen 4) (2023)
Release date7 January 2010 (14 years ago)May 2023 (1 year ago)
Launch price (MSRP)$332no data

Detailed specifications

Core i7-640LM 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 cores2 (Dual-core)8 (Octa-Core)
Threads416
Base clock speed2.13 GHz3.3 GHz
Boost clock speed2.93 GHz5.1 GHz
Bus typeDMI 1.0no data
Bus rate1 × 2.5 GT/sno data
Multiplier16no data
L1 cache64 KB (per core)64K (per core)
L2 cache256 KB (per core)1 MB (per core)
L3 cache4 MB (shared)16 MB (shared)
Chip lithography32 nm4 nm
Die size81+177 mm2178 mm2
Maximum core temperature105 °C100 °C
Number of transistors382+177 Million25,000 million
64 bit support++
Windows 11 compatibility-+

Compatibility

Information on Core i7-640LM 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 configuration1 (Uniprocessor)1
SocketBGA1288FP8
Power consumption (TDP)25 Watt28 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-640LM and Ryzen 7 7840U. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2no data
AES-NI++
FMA+-
AVX-+
vPro+no data
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology+no data
Hyper-Threading Technology+no data
Idle States+no data
Thermal Monitoring+-
Flex Memory Access+no data
PAE36 Bitno data
FDI+no data
Fast Memory Access+no data
Precision Boost 2no data+

Security technologies

Core i7-640LM and Ryzen 7 7840U technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data
EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-640LM and Ryzen 7 7840U are enumerated here.

AMD-V-+
VT-d+no data
VT-x+no data
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-640LM and Ryzen 7 7840U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3-800, DDR3-1066DDR5-5600
Maximum memory size8 GBno data
Max memory channels2no data
Maximum memory bandwidth17.051 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel HD Graphics for Previous Generation Intel ProcessorsAMD Radeon 780M ( - 2700 MHz)
Clear Video+no data
Clear Video HD+no data
Graphics max frequency566 MHzno data

Graphics interfaces

Available interfaces and connections of Core i7-640LM and Ryzen 7 7840U integrated GPUs.

Number of displays supported2no data

Peripherals

Specifications and connection of peripherals supported by Core i7-640LM and Ryzen 7 7840U.

PCIe version2.04.0
PCI Express lanes1620

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.

i7-640LM 0.96
Ryzen 7 7840U 15.71
+1536%

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.

i7-640LM 1522
Ryzen 7 7840U 24956
+1540%

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

i7-640LM 371
Ryzen 7 7840U 2081
+461%

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

i7-640LM 686
Ryzen 7 7840U 8744
+1175%

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

i7-640LM 3054
Ryzen 7 7840U 6669
+118%

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

i7-640LM 5956
Ryzen 7 7840U 38490
+546%

3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

i7-640LM 2539
Ryzen 7 7840U 12482
+392%

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

i7-640LM 21.43
Ryzen 7 7840U 3.51
+511%

Cinebench 11.5 64-bit multi-core

Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.

i7-640LM 2
Ryzen 7 7840U 23
+1104%

Gaming performance

Pros & cons summary


Performance score 0.96 15.71
Integrated graphics card 0.77 18.32
Physical cores 2 8
Threads 4 16
Chip lithography 32 nm 4 nm
Power consumption (TDP) 25 Watt 28 Watt

i7-640LM has 12% lower power consumption.

Ryzen 7 7840U, on the other hand, has a 1536.5% higher aggregate performance score, 2279.2% faster integrated GPU, 300% more physical cores and 300% more threads, and a 700% more advanced lithography process.

The Ryzen 7 7840U is our recommended choice as it beats the Core i7-640LM in performance tests.


Should you still have questions on choice between Core i7-640LM and Ryzen 7 7840U, ask them in Comments section, and we shall answer.

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Intel Core i7-640LM
Core i7-640LM
AMD Ryzen 7 7840U
Ryzen 7 7840U

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Community ratings

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Questions & comments

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