Celeron 4205U vs i7-2620M

Place in the ranking	2144	2574
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Core i7	Intel Celeron
Power efficiency	4.14	5.43
Architecture codename	Sandy Bridge (2011−2013)	Whiskey Lake-U (2018−2019)
Release date	20 February 2011 (13 years ago)	23 January 2019 (5 years ago)
Launch price (MSRP)	$346	$107

Detailed specifications

Core i7-2620M and Celeron 4205U 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	2
Base clock speed	2.7 GHz	no data
Boost clock speed	3.4 GHz	1.8 GHz
Bus type	DMI 2.0	OPI
Bus rate	4 × 5 GT/s	4 GT/s
Multiplier	27	18
L1 cache	128 KB	64 KB (per core)
L2 cache	512 KB	256 KB (per core)
L3 cache	4 MB	2 MB (shared)
Chip lithography	32 nm	10 nm
Die size	149 mm²	no data
Maximum core temperature	100 °C	100 °C
Number of transistors	624 Million	no data
64 bit support	+	+
Windows 11 compatibility	-	+

Compatibility

Information on Core i7-2620M and Celeron 4205U 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	Intel BGA 1528
Power consumption (TDP)	35 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-2620M and Celeron 4205U. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX	no data
AES-NI	+	+
FMA	+	-
AVX	+	-
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
My WiFi	+	no data
Turbo Boost Technology	2.0	no 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 i7-2620M and Celeron 4205U 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 i7-2620M and Celeron 4205U 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 i7-2620M and Celeron 4205U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3, DDR4
Maximum memory size	16 GB	32 GB
Max memory channels	2	2
Maximum memory bandwidth	21.335 GB/s	38.397 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel HD Graphics 3000	Intel HD Graphics 610 (300 - 900 MHz)
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 i7-2620M and Celeron 4205U 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 i7-2620M and Celeron 4205U.

PCIe version	2.0	3.0
PCI Express lanes	16	12

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.

i7-2620M 1.53
+77.9%

Celeron 4205U 0.86

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.

i7-2620M 2424
+78.4%

Celeron 4205U 1359

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.

i7-2620M 512
+44.6%

Celeron 4205U 354

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.

i7-2620M 1021
+70.2%

Celeron 4205U 600

Gaming performance

Pros & cons summary

Performance score	1.53	0.86
Integrated graphics card	0.66	1.85
Recency	20 February 2011	23 January 2019
Threads	4	2
Chip lithography	32 nm	10 nm
Power consumption (TDP)	35 Watt	15 Watt

i7-2620M has a 77.9% higher aggregate performance score, and 100% more threads.

Celeron 4205U, on the other hand, has 180.3% faster integrated GPU, an age advantage of 7 years, a 220% more advanced lithography process, and 133.3% lower power consumption.

The Core i7-2620M is our recommended choice as it beats the Celeron 4205U in performance tests.

Should you still have questions on choice between Core i7-2620M and Celeron 4205U, ask them in Comments section, and we shall answer.