Celeron E3400 vs Xeon E5-2658

Primary details

Comparing Xeon E5-2658 and Celeron E3400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1379	2728
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	3.06	3.72
Market segment	Server	Desktop processor
Architecture codename	Sandy Bridge-EP (2012)	Wolfdale (2008−2010)
Release date	6 March 2012 (12 years ago)	17 January 2010 (14 years ago)
Launch price (MSRP)	$1,462	$76
Current price	$126 (0.1x MSRP)	$13.99 (0.2x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Celeron E3400 has 22% better value for money than Xeon E5-2658.

Detailed specifications

Xeon E5-2658 and Celeron E3400 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	8 (Octa-Core)	2 (Dual-core)
Threads	16	2
Base clock speed	2.1 GHz	2.6 GHz
Boost clock speed	2.4 GHz	2.6 GHz
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	256 KB (per core)	1 MB (shared)
L3 cache	20480 KB (shared)	0 KB
Chip lithography	32 nm	45 nm
Die size	435 mm2	82 mm2
Maximum core temperature	no data	74 °C
Number of transistors	2,270 million	228 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No
VID voltage range	no data	0.85V-1.3625V

Compatibility

Information on Xeon E5-2658 and Celeron E3400 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	2	1
Socket	2011	LGA775
Power consumption (TDP)	95 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2658 and Celeron E3400. You'll probably need this information if you require some particular technology.

AES-NI	+	-
AVX	+	no data
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	no data	-
Hyper-Threading Technology	+	-
Idle States	no data	+
Thermal Monitoring	no data	+
Status	no data	Discontinued

Security technologies

Xeon E5-2658 and Celeron E3400 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	-
EDB	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2658 and Celeron E3400 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2658 and Celeron E3400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR3

DDR1, DDR2, DDR3

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2658 and Celeron E3400.

PCIe version

3.0

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.

---

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.

Xeon E5-2658 outperforms Celeron E3400 by 615% based on our aggregate benchmark results.

---

Pros & cons summary

---

Performance score	3.93	0.55
Recency	6 March 2012	17 January 2010
Physical cores	8	2
Threads	16	2
Cost	$1462	$76
Chip lithography	32 nm	45 nm
Power consumption (TDP)	95 Watt	65 Watt

---

Should you still have questions on choice between Xeon E5-2658 and Celeron E3400, 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.

---