Pentium G4400 vs Xeon X5660

Primary details

Comparing Xeon X5660 and Pentium G4400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1462	2076
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	3.05	0.61
Market segment	Server	Desktop processor
Series	no data	Intel Pentium
Power efficiency	3.77	2.84
Architecture codename	Westmere-EP (2010−2011)	Skylake (2015−2016)
Release date	16 March 2010 (14 years ago)	1 September 2015 (9 years ago)
Launch price (MSRP)	$33	$64

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon X5660 has 400% better value for money than Pentium G4400.

Detailed specifications

Xeon X5660 and Pentium G4400 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	6 (Hexa-Core)	2 (Dual-core)
Threads	12	2
Base clock speed	2.8 GHz	3.3 GHz
Boost clock speed	3.2 GHz	3.3 GHz
Bus type	no data	DMI 3.0
Bus rate	no data	4 × 8 GT/s
Multiplier	no data	33
L1 cache	64 KB (per core)	128 KB
L2 cache	256 KB (per core)	512 KB
L3 cache	12 MB (shared)	3 MB
Chip lithography	32 nm	14 nm
Die size	239 mm2	98.57 mm2
Maximum core temperature	81 °C	no data
Maximum case temperature (TCase)	no data	65 °C
Number of transistors	1,170 million	1750 Million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Xeon X5660 and Pentium G4400 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 (Uniprocessor)
Socket	FCLGA1366,LGA1366	FCLGA1151
Power consumption (TDP)	95 Watt	54 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon X5660 and Pentium G4400. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2	Intel® SSE4.1, Intel® SSE4.2
AES-NI	+	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	1.0	-
Hyper-Threading Technology	+	-
Idle States	+	+
Thermal Monitoring	-	+
Demand Based Switching	+	no data
PAE	40 Bit	no data

Security technologies

Xeon X5660 and Pentium G4400 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	-
EDB	+	+
Secure Key	no data	+
Identity Protection	-	+
SGX	no data	Yes with Intel® ME
OS Guard	no data	-

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon X5660 and Pentium G4400 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon X5660 and Pentium G4400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3, DDR4
Maximum memory size	288 GB	64 GB
Max memory channels	3	2
Maximum memory bandwidth	32 GB/s	34.134 GB/s
ECC memory support	+	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	no data	Intel HD Graphics 510
Max video memory	no data	64 GB
Quick Sync Video	-	+
Clear Video	no data	+
Clear Video HD	no data	+
Graphics max frequency	no data	1 GHz
InTru 3D	no data	+

Graphics interfaces

Available interfaces and connections of Xeon X5660 and Pentium G4400 integrated GPUs.

Number of displays supported	no data	3
eDP	no data	+
DisplayPort	-	+
HDMI	-	+
DVI	no data	+

Graphics image quality

Maximum display resolutions supported by Xeon X5660 and Pentium G4400 integrated GPUs, including resolutions over different interfaces.

4K resolution support	no data	+
Max resolution over HDMI 1.4	no data	4096x2304@24Hz
Max resolution over eDP	no data	4096x2304@60Hz
Max resolution over DisplayPort	no data	4096x2304@60Hz
Max resolution over VGA	no data	N/A

Graphics API support

APIs supported by Xeon X5660 and Pentium G4400 integrated GPUs, sometimes API versions are included.

DirectX	no data	12
OpenGL	no data	4.4

Peripherals

Specifications and connection of peripherals supported by Xeon X5660 and Pentium G4400.

PCIe version	2.0	3.0
PCI Express lanes	no data	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.

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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.

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Pros & cons summary

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Performance score	3.93	1.68
Recency	16 March 2010	1 September 2015
Physical cores	6	2
Threads	12	2
Chip lithography	32 nm	14 nm
Power consumption (TDP)	95 Watt	54 Watt

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Should you still have questions on choice between Xeon X5660 and Pentium G4400, ask them in Comments section, and we shall answer.

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