Celeron 1020E vs Core i5-2550K

Primary details

Comparing Core i5-2550K and Celeron 1020E processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1628	2438
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.65	no data
Market segment	Desktop processor	Laptop
Series	no data	Intel Celeron
Architecture codename	Sandy Bridge (2011−2013)	Ivy Bridge (2012−2013)
Release date	January 2012 (12 years ago)	20 January 2013 (11 years ago)
Launch price (MSRP)	$189	no data
Current price	$101 (0.5x MSRP)	$27

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i5-2550K and Celeron 1020E 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)	2 (Dual-core)
Threads	4	2
Base clock speed	3.4 GHz	2.2 GHz
Boost clock speed	3.8 GHz	2.2 GHz
L1 cache	64 KB (per core)	64K (per core)
L2 cache	256 KB (per core)	256K (per core)
L3 cache	6144 KB (shared)	2 MB (shared)
Chip lithography	32 nm	22 nm
Die size	216 mm2	118 mm2
Maximum core temperature	73 °C	100 °C
Maximum case temperature (TCase)	no data	105 °C
Number of transistors	1160 million	1,400 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	Yes	No

Compatibility

Information on Core i5-2550K and Celeron 1020E 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,LGA1155	G2 (988B)
Power consumption (TDP)	95 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-2550K and Celeron 1020E. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX	no data
AES-NI	+	no data
AVX	+	no data
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	-	no data
Idle States	+	no data
Thermal Monitoring	+	+
Flex Memory Access	+	no data
FDI	-	no data
Fast Memory Access	+	no data
Status	Discontinued	no data

Security technologies

Core i5-2550K and Celeron 1020E technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	no data
EDB	+	+
Identity Protection	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-2550K and Celeron 1020E are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-2550K and Celeron 1020E. Depending on the motherboard, higher memory frequencies may be supported.

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

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	no data	Intel HD Graphics (Ivy Bridge)
Quick Sync Video	+	no data

Peripherals

Specifications and connection of peripherals supported by Core i5-2550K and Celeron 1020E.

PCIe version	2.0	no data
PCI Express lanes	16	no data

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.

Core i5-2550K outperforms Celeron 1020E by 193% based on our aggregate benchmark results.

---

Pros & cons summary

---

Performance score	2.67	0.91
Physical cores	4	2
Threads	4	2
Chip lithography	32 nm	22 nm
Power consumption (TDP)	95 Watt	35 Watt

---

Should you still have questions on choice between Core i5-2550K and Celeron 1020E, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.

---