i5-2500K vs i7-2920XM

Aggregate performance score

Core i7-2920XM
2011
4 cores / 8 threads, 55 Watt
2.70
+4.2%
Core i5-2500K
2011
4 cores / 4 threads, 95 Watt
2.59

Core i7-2920XM outperforms Core i5-2500K by a minimal 4% based on our aggregate benchmark results.

Primary details

Comparing Core i7-2920XM and Core i5-2500K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking17001722
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data0.38
Market segmentLaptopDesktop processor
SeriesIntel Core i7Core i5 (Desktop)
Power efficiency4.652.58
Architecture codenameSandy Bridge (2011−2013)Sandy Bridge (2011−2013)
Release date3 January 2011 (13 years ago)9 January 2011 (13 years ago)
Launch price (MSRP)$1,096$216

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-2920XM and Core i5-2500K 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)4 (Quad-Core)
Threads84
Base clock speed2.5 GHz3.3 GHz
Boost clock speed3.5 GHz3.7 GHz
Bus rateno data5 GT/s
L1 cache64K (per core)64 KB (per core)
L2 cache256K (per core)256K (per core)
L3 cache8 MB (shared)6 MB (shared)
Chip lithography32 nm32 nm
Die size216 mm2216 mm2
Maximum core temperature100 °C73 °C
Number of transistors1,160 million1,160 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier++

Compatibility

Information on Core i7-2920XM and Core i5-2500K 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
SocketFCPGA988LGA1155
Power consumption (TDP)55 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-2920XM and Core i5-2500K. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® AVXIntel® SSE4.1, Intel® SSE4.2, Intel® AVX
AES-NI++
AVX++
Enhanced SpeedStep (EIST)++
My WiFi+no data
Turbo Boost Technology2.02.0
Hyper-Threading Technology+-
Idle States++
Thermal Monitoring++
Flex Memory Access++
Demand Based Switching-no data
FDI++
Fast Memory Access++

Security technologies

Core i7-2920XM and Core i5-2500K technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-2920XM and Core i5-2500K are enumerated here.

AMD-V+-
VT-d+-
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-2920XM and Core i5-2500K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3
Maximum memory size32 GB32 GB
Max memory channels22
Maximum memory bandwidth25.6 GB/s21 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics 3000Intel HD Graphics 3000
Quick Sync Video++
Clear Video HD++
Graphics max frequency1.3 GHz1.1 GHz
InTru 3D++

Graphics interfaces

Available interfaces and connections of Core i7-2920XM and Core i5-2500K integrated GPUs.

Number of displays supported22
eDP+no data
DisplayPort+-
HDMI+-
SDVO+no data
CRT+no data

Peripherals

Specifications and connection of peripherals supported by Core i7-2920XM and Core i5-2500K.

PCIe version2.02.0
PCI Express lanes1616

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.

i7-2920XM 2.70
+4.2%
i5-2500K 2.59

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.

i7-2920XM 4286
+4%
i5-2500K 4122

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.

i7-2920XM 417
i5-2500K 651
+56.1%

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.

i7-2920XM 1395
i5-2500K 1919
+37.6%

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.

i7-2920XM 4379
i5-2500K 4773
+9%

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.

i7-2920XM 17188
+7.7%
i5-2500K 15956

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.

i7-2920XM 6131
+4.7%
i5-2500K 5853

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.

i7-2920XM 8.44
+38.3%
i5-2500K 11.67

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.

i7-2920XM 6
+11.7%
i5-2500K 5

Gaming performance

Pros & cons summary


Performance score 2.70 2.59
Threads 8 4
Power consumption (TDP) 55 Watt 95 Watt

i7-2920XM has a 4.2% higher aggregate performance score, 100% more threads, and 72.7% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Core i7-2920XM and Core i5-2500K.

Be aware that Core i7-2920XM is a notebook processor while Core i5-2500K is a desktop one.


Should you still have questions on choice between Core i7-2920XM and Core i5-2500K, 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 i7-2920XM
Core i7-2920XM
Intel Core i5-2500K
Core i5-2500K

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Community ratings

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Questions & comments

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