Core i7-2820QM vs Core i7-4850HQ

Place in performance ranking	1405	1645
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Core i7	Intel Core i7
Architecture codename	Haswell (2013−2015)	Sandy Bridge (2011−2013)
Release date	2 June 2013 (11 years ago)	3 January 2011 (13 years ago)
Launch price (MSRP)	$468	$568

Detailed specifications

Core i7-4850HQ and Core i7-2820QM 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	4 (Quad-Core)	4 (Quad-Core)
Threads	8	8
Base clock speed	2.3 GHz	2.3 GHz
Boost clock speed	2.3 GHz	2.3 GHz
Bus type	DMI 2.0	DMI 2.0
Bus rate	5 GT/s	4 × 5 GT/s
Multiplier	23	23
L1 cache	256 KB	256 KB
L2 cache	1 MB	1 MB
L3 cache	6 MB	8 MB
Chip lithography	22 nm	32 nm
Die size	260 mm²	216 mm²
Maximum core temperature	100 °C	100 °C
Maximum case temperature (TCase)	100 °C	no data
Number of transistors	1700 Million	1160 Million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Core i7-4850HQ and Core i7-2820QM 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	1 (Uniprocessor)
Socket	FCBGA1364	FCBGA1224, FCPGA988
Power consumption (TDP)	47 Watt	45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-4850HQ and Core i7-2820QM. You'll probably need this information if you require some particular technology.

AES-NI	+	+
FMA	no data	+
AVX	+	+
vPro	+	+
Enhanced SpeedStep (EIST)	+	+
Hyper-Threading Technology	+	+
TSX	+	no data

Security technologies

Core i7-4850HQ and Core i7-2820QM technologies aimed at improving security, for example, by protecting against hacks.

TXT

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-4850HQ and Core i7-2820QM are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-4850HQ and Core i7-2820QM. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	unknown Dual-channel
Maximum memory size	32 GB	32 GB
Max memory channels	no data	2
Maximum memory bandwidth	25.6 GB/s	25.598 GB/s
ECC memory support	-	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare

Intel Iris Pro Graphics 5200

Intel HD Graphics 3000

Peripherals

Specifications and connection of peripherals supported by Core i7-4850HQ and Core i7-2820QM.

PCI Express lanes

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.

i7-4850HQ 3.96
+39.4%

i7-2820QM 2.84

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.

i7-4850HQ 6130
+39.8%

i7-2820QM 4385

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.

i7-4850HQ 1027
+98.3%

i7-2820QM 518

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.

i7-4850HQ 3262
+99.8%

i7-2820QM 1633

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.

i7-4850HQ 6640
+56.3%

i7-2820QM 4250

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.

i7-4850HQ 22559
+50%

i7-2820QM 15044

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.

i7-4850HQ 6
+12.6%

i7-2820QM 5

Gaming performance

Pros & cons summary

Performance score	3.96	2.84
Integrated graphics card	2.99	0.66
Recency	2 June 2013	3 January 2011
Chip lithography	22 nm	32 nm
Power consumption (TDP)	47 Watt	45 Watt

i7-4850HQ has a 39.4% higher aggregate performance score, 353% faster integrated GPU, an age advantage of 2 years, and a 45.5% more advanced lithography process.

i7-2820QM, on the other hand, has 4.4% lower power consumption.

The Core i7-4850HQ is our recommended choice as it beats the Core i7-2820QM in performance tests.

Should you still have questions on choice between Core i7-4850HQ and Core i7-2820QM, ask them in Comments section, and we shall answer.