Ryzen 7 7840U vs i5-2500K

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Aggregate performance score

Core i5-2500K
2011
4 cores / 4 threads, 95 Watt
2.60
Ryzen 7 7840U
2023
8 cores / 16 threads, 28 Watt
15.72
+505%

Ryzen 7 7840U outperforms Core i5-2500K by a whopping 505% based on our aggregate benchmark results.

Primary details

Comparing Core i5-2500K and Ryzen 7 7840U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1735435
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.39no data
Market segmentDesktop processorLaptop
SeriesCore i5 (Desktop)AMD Phoenix (Zen 4, Ryzen 7040)
Power efficiency2.5953.13
Architecture codenameSandy Bridge (2011−2013)Phoenix-U (Zen 4) (2023)
Release date9 January 2011 (13 years ago)May 2023 (1 year ago)
Launch price (MSRP)$216no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i5-2500K 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 cores4 (Quad-Core)8 (Octa-Core)
Threads416
Base clock speed3.3 GHz3.3 GHz
Boost clock speed3.7 GHz5.1 GHz
Bus rate5 GT/sno data
L1 cache64 KB (per core)64K (per core)
L2 cache256K (per core)1 MB (per core)
L3 cache6 MB (shared)16 MB (shared)
Chip lithography32 nm4 nm
Die size216 mm2178 mm2
Maximum core temperature73 °C100 °C
Number of transistors1,160 million25,000 million
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier+-

Compatibility

Information on Core i5-2500K 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
SocketLGA1155FP8
Power consumption (TDP)95 Watt28 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-2500K and Ryzen 7 7840U. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVXno data
AES-NI++
AVX++
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology-no data
Idle States+no data
Thermal Monitoring+-
Flex Memory Access+no data
FDI+no data
Fast Memory Access+no data
Precision Boost 2no data+

Security technologies

Core i5-2500K and Ryzen 7 7840U technologies aimed at improving security, for example, by protecting against hacks.

TXT-no data
EDB+no data
Identity Protection+-

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-2500K 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 i5-2500K and Ryzen 7 7840U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR5-5600
Maximum memory size32 GBno data
Max memory channels2no data
Maximum memory bandwidth21 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel HD Graphics 3000AMD Radeon 780M ( - 2700 MHz)
Quick Sync Video+-
Clear Video HD+no data
Graphics max frequency1.1 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i5-2500K and Ryzen 7 7840U integrated GPUs.

Number of displays supported2no data

Peripherals

Specifications and connection of peripherals supported by Core i5-2500K 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.

i5-2500K 2.60
Ryzen 7 7840U 15.72
+505%

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.

i5-2500K 4123
Ryzen 7 7840U 24968
+506%

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.

i5-2500K 653
Ryzen 7 7840U 2083
+219%

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.

i5-2500K 1924
Ryzen 7 7840U 8751
+355%

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.

i5-2500K 4773
Ryzen 7 7840U 6669
+39.7%

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.

i5-2500K 15956
Ryzen 7 7840U 38490
+141%

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.

i5-2500K 5853
Ryzen 7 7840U 12482
+113%

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.

i5-2500K 11.67
Ryzen 7 7840U 3.51
+232%

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.

i5-2500K 5
Ryzen 7 7840U 23
+321%

Cinebench 15 64-bit multi-core

Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.

i5-2500K 470
Ryzen 7 7840U 1990
+323%

Cinebench 15 64-bit single-core

Cinebench R15 (standing for Release 15) is a benchmark made by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version (sometimes called Single-Thread) only uses a single processor thread to render a room full of reflective spheres and light sources.

i5-2500K 122
Ryzen 7 7840U 264
+116%

Gaming performance

Pros & cons summary


Performance score 2.60 15.72
Integrated graphics card 0.66 18.30
Physical cores 4 8
Threads 4 16
Chip lithography 32 nm 4 nm
Power consumption (TDP) 95 Watt 28 Watt

Ryzen 7 7840U has a 504.6% higher aggregate performance score, 2672.7% faster integrated GPU, 100% more physical cores and 300% more threads, a 700% more advanced lithography process, and 239.3% lower power consumption.

The Ryzen 7 7840U is our recommended choice as it beats the Core i5-2500K in performance tests.

Note that Core i5-2500K is a desktop processor while Ryzen 7 7840U is a notebook one.


Should you still have questions on choice between Core i5-2500K and Ryzen 7 7840U, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Core i5-2500K
Core i5-2500K
AMD Ryzen 7 7840U
Ryzen 7 7840U

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Community ratings

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Questions & comments

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