Phenom II X4 840T vs i5-2540M

VS

Aggregate performance score

Core i5-2540M
2011
2 cores / 4 threads, 35 Watt
1.49
Phenom II X4 840T
2010
4 cores / 4 threads, 95 Watt
1.49

Primary details

Comparing Core i5-2540M and Phenom II X4 840T processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking21472148
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data2.28
Market segmentLaptopDesktop processor
SeriesIntel Core i5no data
Power efficiency4.031.48
Architecture codenameSandy Bridge (2011−2013)Zosma (2010−2011)
Release date1 February 2011 (13 years ago)1 September 2010 (14 years ago)
Launch price (MSRP)$266$80

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i5-2540M and Phenom II X4 840T 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)4 (Quad-Core)
Threads44
Base clock speed2.6 GHz2.9 GHz
Boost clock speed3.3 GHz3.2 GHz
Bus typeDMI 2.0no data
Bus rate4 × 5 GT/sno data
Multiplier26no data
L1 cache64K (per core)128 KB (per core)
L2 cache256K (per core)512 KB (per core)
L3 cache3 MB (shared)6 MB (shared)
Chip lithography32 nm45 nm
Die size149 mm2346 mm2
Maximum core temperature100 °Cno data
Number of transistors624 million904 million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Core i5-2540M and Phenom II X4 840T 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
SocketFCBGA1023,PPGA988AM3
Power consumption (TDP)35 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-2540M and Phenom II X4 840T. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® AVXno data
AES-NI+-
FMA+-
AVX+-
vPro+no data
Enhanced SpeedStep (EIST)+no data
My WiFi+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
Idle States+no data
Thermal Monitoring+-
Flex Memory Access+no data
Demand Based Switching-no data
FDI+no data
Fast Memory Access+no data

Security technologies

Core i5-2540M and Phenom II X4 840T technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-2540M and Phenom II X4 840T 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 i5-2540M and Phenom II X4 840T. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3
Maximum memory size16 GBno data
Max memory channels2no data
Maximum memory bandwidth21.335 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics 3000no data
Quick Sync Video+-
Clear Video HD+no data
Graphics max frequency1.3 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i5-2540M and Phenom II X4 840T integrated GPUs.

Number of displays supported2no data
eDP+no data
DisplayPort+-
HDMI+-
SDVO+no data
CRT+no data

Peripherals

Specifications and connection of peripherals supported by Core i5-2540M and Phenom II X4 840T.

PCIe version2.02.0
PCI Express lanes16no data

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.

i5-2540M 1.49
Phenom II X4 840T 1.49

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.

i5-2540M 2363
+0.1%
Phenom II X4 840T 2360

Gaming performance

Pros & cons summary


Recency 1 February 2011 1 September 2010
Physical cores 2 4
Chip lithography 32 nm 45 nm
Power consumption (TDP) 35 Watt 95 Watt

i5-2540M has an age advantage of 5 months, a 40.6% more advanced lithography process, and 171.4% lower power consumption.

Phenom II X4 840T, on the other hand, has 100% more physical cores.

Given the minimal performance differences, no clear winner can be declared between Core i5-2540M and Phenom II X4 840T.

Be aware that Core i5-2540M is a notebook processor while Phenom II X4 840T is a desktop one.


Should you still have questions on choice between Core i5-2540M and Phenom II X4 840T, ask them in Comments section, and we shall answer.

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Intel Core i5-2540M
Core i5-2540M
AMD Phenom II X4 840T
Phenom II X4 840T

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Community ratings

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