i7-7820EQ vs i5-2540M

Place in the ranking	2143	1251
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Core i5	Intel Core i7
Power efficiency	4.04	9.99
Architecture codename	Sandy Bridge (2011−2013)	Kaby Lake (2016−2019)
Release date	1 February 2011 (13 years ago)	3 January 2017 (7 years ago)
Launch price (MSRP)	$266	$378

Detailed specifications

Core i5-2540M and Core i7-7820EQ 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 cores	2 (Dual-core)	4 (Quad-Core)
Threads	4	8
Base clock speed	2.6 GHz	no data
Boost clock speed	3.3 GHz	3.1 GHz
Bus type	DMI 2.0	DMI 3.0
Bus rate	4 × 5 GT/s	8 GT/s
Multiplier	26	31
L1 cache	64K (per core)	256 KB
L2 cache	256K (per core)	1 MB
L3 cache	3 MB (shared)	8 MB
Chip lithography	32 nm	14 nm
Die size	149 mm²	no data
Maximum core temperature	100 °C	no data
Number of transistors	624 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Core i5-2540M and Core i7-7820EQ 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 configuration	1 (Uniprocessor)	1 (Uniprocessor)
Socket	FCBGA1023,PPGA988	no data
Power consumption (TDP)	35 Watt	45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-2540M and Core i7-7820EQ. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX	no data
AES-NI	+	+
FMA	+	-
AVX	+	+
vPro	+	+
Enhanced SpeedStep (EIST)	+	+
My WiFi	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	-	+
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 Core i7-7820EQ technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-2540M and Core i7-7820EQ are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-2540M and Core i7-7820EQ. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3L-1600
Maximum memory size	16 GB	64 GB
Max memory channels	2	2
Maximum memory bandwidth	21.335 GB/s	34.134 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel HD Graphics 3000	Intel HD Graphics 630
Quick Sync Video	+	-
Clear Video HD	+	no data
Graphics max frequency	1.3 GHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i5-2540M and Core i7-7820EQ integrated GPUs.

Number of displays supported	2	no data
eDP	+	no data
DisplayPort	+	-
HDMI	+	-
SDVO	+	no data
CRT	+	no data

Peripherals

Specifications and connection of peripherals supported by Core i5-2540M and Core i7-7820EQ.

PCIe version	2.0	3.0
PCI Express lanes	16	16

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 1.55

i7-7820EQ 4.93
+218%

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 2365

i7-7820EQ 7542
+219%

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.

i5-2540M 491

i7-7820EQ 746
+51.9%

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.

i5-2540M 980

i7-7820EQ 1922
+96.1%

Gaming performance

Pros & cons summary

Performance score	1.55	4.93
Integrated graphics card	0.66	3.10
Recency	1 February 2011	3 January 2017
Physical cores	2	4
Threads	4	8
Chip lithography	32 nm	14 nm
Power consumption (TDP)	35 Watt	45 Watt

i5-2540M has 28.6% lower power consumption.

i7-7820EQ, on the other hand, has a 218.1% higher aggregate performance score, 369.7% faster integrated GPU, an age advantage of 5 years, 100% more physical cores and 100% more threads, and a 128.6% more advanced lithography process.

The Core i7-7820EQ is our recommended choice as it beats the Core i5-2540M in performance tests.

Should you still have questions on choice between Core i5-2540M and Core i7-7820EQ, ask them in Comments section, and we shall answer.