Core i7-620UM vs Core i7-3520M

Place in performance ranking	1905	2652
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Core i7	Intel Core i7
Architecture codename	Ivy Bridge (2012−2013)	Arrandale (2010−2011)
Release date	3 June 2012 (12 years ago)	4 January 2010 (14 years ago)
Launch price (MSRP)	$346	$278
Current price	$273 (0.8x MSRP)	no data

Detailed specifications

Core i7-3520M and Core i7-620UM 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)	2 (Dual-core)
Threads	4	4
Base clock speed	2.9 GHz	1.06 GHz
Boost clock speed	3.6 GHz	2.13 GHz
Bus support	no data	2500 MHz
L1 cache	64K (per core)	128 KB
L2 cache	256K (per core)	512 KB
L3 cache	4 MB (shared)	4 MB
Chip lithography	22 nm	32 nm
Die size	118 mm²	81+114 mm²
Maximum core temperature	105 °C	105 °C
Number of transistors	no data	382+177 Million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Core i7-3520M and Core i7-620UM 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
Socket	FCBGA1023,FCPGA988	BGA1288
Power consumption (TDP)	35 Watt	18 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-3520M and Core i7-620UM. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX	Intel® SSE4.1, Intel® SSE4.2
AES-NI	+	+
FMA	no data	+
AVX	+	no data
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
My WiFi	+	no data
Turbo Boost Technology	2.0	+
Hyper-Threading Technology	+	+
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	+	+
Demand Based Switching	-	no data
PAE	no data	36 Bit
FDI	+	+
Fast Memory Access	+	+
Status	Discontinued	Discontinued

Security technologies

Core i7-3520M and Core i7-620UM technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-3520M and Core i7-620UM are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-3520M and Core i7-620UM. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3-800
Maximum memory size	32 GB	8 GB
Max memory channels	2	2
Maximum memory bandwidth	25.6 GB/s	12.8 GB/s
ECC memory support	-	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics 4000	Intel® HD Graphics for Previous Generation Intel® Processors
Quick Sync Video	+	no data
Clear Video	no data	+
Clear Video HD	+	+
Graphics max frequency	1.25 GHz	500 MHz
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i7-3520M and Core i7-620UM integrated GPUs.

Number of displays supported	3	2
eDP	+	no data
DisplayPort	+	no data
HDMI	+	no data
SDVO	+	no data
CRT	+	no data

Peripherals

Specifications and connection of peripherals supported by Core i7-3520M and Core i7-620UM.

PCIe version	3.0	2.0
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.

i7-3520M 1.86
+186%

i7-620UM 0.65

Core i7-3520M outperforms Core i7-620UM by 186% based on our aggregate benchmark results.

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.

Benchmark coverage: 68%

i7-3520M 2871
+184%

i7-620UM 1010

Core i7-3520M outperforms Core i7-620UM by 184% in Passmark.

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.

Benchmark coverage: 20%

i7-3520M 4855
+130%

i7-620UM 2111

Core i7-3520M outperforms Core i7-620UM by 130% in Cinebench 10 32-bit single-core.

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.

Benchmark coverage: 19%

i7-3520M 10467
+161%

i7-620UM 4004

Core i7-3520M outperforms Core i7-620UM by 161% in Cinebench 10 32-bit multi-core.