Celeron P4600 vs B820

Place in performance ranking	2723	2720
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Celeron	Intel Celeron
Architecture codename	Sandy Bridge (2011−2013)	Westmere (2010−2011)
Release date	1 July 2012 (11 years ago)	28 March 2010 (14 years ago)
Launch price (MSRP)	$86	no data
Current price	$34 (0.4x MSRP)	$66

Detailed specifications

Celeron B820 and Celeron P4600 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	1.7 GHz	2 GHz
Boost clock speed	1.7 GHz	0.1 GHz
Bus support	no data	1 × 2.5 GT/s
L1 cache	64K (per core)	128 KB
L2 cache	256K (per core)	512 KB
L3 cache	2 MB (shared)	2 MB
Chip lithography	32 nm	32 nm
Die size	131 mm²	81 mm²
Maximum core temperature	100 °C	90 °C
Number of transistors	504 million	382 Million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Celeron B820 and Celeron P4600 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	FCPGA988,PGA988	PGA988
Power consumption (TDP)	35 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron B820 and Celeron P4600. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	no data
AES-NI	-	-
FMA	+	+
Enhanced SpeedStep (EIST)	+	+
My WiFi	-	no data
Turbo Boost Technology	-	-
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

Celeron B820 and Celeron P4600 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron B820 and Celeron P4600 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron B820 and Celeron P4600. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3-800, DDR3-1066
Maximum memory size	16 GB	8 GB
Max memory channels	2	2
Maximum memory bandwidth	21.3 GB/s	17.1 GB/s
ECC memory support	-	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for 2nd Generation Intel® Processors	Intel® HD Graphics for Previous Generation Intel® Processors
Clear Video	no data	+
Graphics max frequency	1.05 GHz	667 MHz

Graphics interfaces

Available interfaces and connections of Celeron B820 and Celeron P4600 integrated GPUs.

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

Peripherals

Specifications and connection of peripherals supported by Celeron B820 and Celeron P4600.

PCIe version	2.0	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.

Celeron B820 0.53

Celeron P4600 0.54
+1.9%

P4600 outperforms B820 by 2% based on our aggregated 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%

Celeron B820 818

Celeron P4600 832
+1.7%

P4600 outperforms B820 by 2% in Passmark.

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.

Benchmark coverage: 42%

Celeron B820 280

Celeron P4600 291
+3.9%

P4600 outperforms B820 by 4% in GeekBench 5 Single-Core.

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.

Benchmark coverage: 42%

Celeron B820 489

Celeron P4600 533
+9%

P4600 outperforms B820 by 9% in GeekBench 5 Multi-Core.