Xeon E-2278G vs Core 2 Duo E6550

Primary details

Comparing Core 2 Duo E6550 and Xeon E-2278G processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2709	663
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.68	4.72
Market segment	Desktop processor	Server
Series	no data	Intel Xeon E
Architecture codename	Conroe (2006−2007)	Coffee Lake (2017−2019)
Release date	July 2007 (17 years ago)	27 May 2019 (5 years ago)
Launch price (MSRP)	no data	$494
Current price	$33	$2232 (4.5x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon E-2278G has 594% better value for money than Core 2 Duo E6550.

Detailed specifications

Core 2 Duo E6550 and Xeon E-2278G 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)	8 (Octa-Core)
Threads	2	16
Base clock speed	2.33 GHz	3.4 GHz
Boost clock speed	2.33 GHz	5 GHz
Bus support	no data	4 × 8 GT/s
L1 cache	64 KB	512 KB
L2 cache	4 MB	2 MB
L3 cache	0 KB	16 MB
Chip lithography	65 nm	14 nm
Die size	143 mm2	174 mm2
Maximum core temperature	72 °C	100 °C
Number of transistors	291 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	No
VID voltage range	0.85V-1.5V	no data

Compatibility

Information on Core 2 Duo E6550 and Xeon E-2278G 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	PLGA775	FCLGA1151
Power consumption (TDP)	65 Watt	80 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo E6550 and Xeon E-2278G. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	-	+
AVX	no data	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	2.0
Hyper-Threading Technology	-	+
TSX	no data	+
Idle States	+	+
Thermal Monitoring	+	+
Demand Based Switching	-	no data
FSB parity	-	no data
Status	Discontinued	Discontinued

Security technologies

Core 2 Duo E6550 and Xeon E-2278G technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	no data	+
MPX	no data	+
SGX	no data	Yes with both Intel® SPS and Intel® ME
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo E6550 and Xeon E-2278G 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 2 Duo E6550 and Xeon E-2278G. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR1, DDR2, DDR3	DDR4-2666
Maximum memory size	no data	128 GB
Max memory channels	no data	2
Maximum memory bandwidth	no data	42.671 GB/s
ECC memory support	no data	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	no data	Intel UHD Graphics P630
Max video memory	no data	128 GB
Quick Sync Video	no data	+
Clear Video	no data	+
Clear Video HD	no data	+
Graphics max frequency	no data	1.2 GHz
InTru 3D	no data	+

Graphics interfaces

Available interfaces and connections of Core 2 Duo E6550 and Xeon E-2278G integrated GPUs.

Number of displays supported

no data

3

Graphics image quality

Maximum display resolutions supported by Core 2 Duo E6550 and Xeon E-2278G integrated GPUs, including resolutions over different interfaces.

4K resolution support	no data	+
Max resolution over HDMI 1.4	no data	4096x2160@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 Core 2 Duo E6550 and Xeon E-2278G integrated GPUs, sometimes API versions are included.

DirectX	no data	12
OpenGL	no data	4.5

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo E6550 and Xeon E-2278G.

PCIe version	no data	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.

Xeon E-2278G outperforms Core 2 Duo E6550 by 1798% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	0.58	11.01
Physical cores	2	8
Threads	2	16
Chip lithography	65 nm	14 nm
Power consumption (TDP)	65 Watt	80 Watt

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Should you still have questions on choice between Core 2 Duo E6550 and Xeon E-2278G, ask them in Comments section, and we shall answer.

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