Celeron G1620 vs Pentium G645

General info

Comparing Pentium G645 and Celeron G1620 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2401	2322
Place by popularity	not in top-100	not in top-100
Value for money	0.06	2.16
Market segment	Desktop processor	Desktop processor
Architecture codename	Sandy Bridge (2011−2013)	Ivy Bridge (2012−2013)
Release date	2 September 2012 (11 years ago)	3 December 2012 (11 years ago)
Launch price (MSRP)	$80	$208
Current price	$43 (0.5x MSRP)	$63 (0.3x MSRP)

Value for money

Performance per price, higher is better.

Celeron G1620 has 3500% better value for money than Pentium G645.

Technical specs

Pentium G645 and Celeron G1620 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	2	2
Base clock speed	2.9 GHz	2.7 GHz
Boost clock speed	2.9 GHz	2.7 GHz
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	256 KB (per core)	256 KB (per core)
L3 cache	3 MB (shared)	2 MB (shared)
Chip lithography	32 nm	22 nm
Die size	131 mm2	94 mm2
Maximum core temperature	69 °C	no data
Maximum case temperature (TCase)	no data	65 °C
Number of transistors	504 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Pentium G645 and Celeron G1620 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	FCLGA1155	FCLGA1155
Power consumption (TDP)	65 Watt	55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium G645 and Celeron G1620. You'll probably need this information if you require some particular technology.

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

Security technologies

Pentium G645 and Celeron G1620 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium G645 and Celeron G1620 are enumerated here.

VT-d	-	-
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium G645 and Celeron G1620. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3
Maximum memory size	32 GB	32 GB
Max memory channels	2	2
Maximum memory bandwidth	17 GB/s	21 GB/s
ECC memory support	no data	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for 2nd Generation Intel® Processors	Intel® HD Graphics for 3rd Generation Intel® Processors
Quick Sync Video	-	-
Clear Video HD	-	-
Graphics max frequency	1.1 GHz	1.05 GHz
InTru 3D	-	-

Graphics interfaces

Available interfaces and connections of Pentium G645 and Celeron G1620 integrated GPUs.

Number of displays supported

2

3

Peripherals

Specifications and connection of peripherals supported by Pentium G645 and Celeron G1620.

PCIe version

2.0

2.0

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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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.

Celeron G1620 outperforms Pentium G645 by 12% based on our aggregated benchmark results.

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Advantages and disadvantages

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Performance score	0.90	1.01
Recency	2 September 2012	3 December 2012
Cost	$80	$208
Chip lithography	32 nm	22 nm
Power consumption (TDP)	65 Watt	55 Watt

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Should you still have questions on choice between Pentium G645 and Celeron G1620, ask them in Comments section, and we shall answer.

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