Xeon E-2378G vs Core i7-940

Primary details

Comparing Core i7-940 and Xeon E-2378G processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1864	487
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.24	32.63
Market segment	Desktop processor	Server
Series	Core i7 (Desktop)	no data
Architecture codename	Bloomfield (2008−2010)	Rocket Lake-E (2021)
Release date	November 2008 (15 years ago)	8 September 2021 (2 years ago)
Launch price (MSRP)	$299	no data
Current price	$150 (0.5x MSRP)	$621

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon E-2378G has 13496% better value for money than i7-940.

Detailed specifications

Core i7-940 and Xeon E-2378G 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)	8 (Octa-Core)
Threads	8	16
Base clock speed	2.93 GHz	2.8 GHz
Boost clock speed	3.2 GHz	5.1 GHz
Bus support	1333 MHz	no data
L1 cache	64 KB (per core)	64K (per core)
L2 cache	256 KB (per core)	512K (per core)
L3 cache	8 MB (shared)	16 MB (shared)
Chip lithography	45 nm	14 nm
Die size	263 mm2	no data
Maximum core temperature	68 °C	100 °C
Maximum case temperature (TCase)	no data	72 °C
Number of transistors	731 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	Yes

Compatibility

Information on Core i7-940 and Xeon E-2378G 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	FCLGA1366	FCLGA1200
Power consumption (TDP)	130 Watt	80 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-940 and Xeon E-2378G. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI	-	+
AVX	no data	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	1.0	2.0
Hyper-Threading Technology	+	+
TSX	no data	-
Idle States	+	+
Thermal Monitoring	-	+
Demand Based Switching	-	no data
PAE	36 Bit	no data
Status	Discontinued	Launched

Security technologies

Core i7-940 and Xeon E-2378G 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 Intel® SPS
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-940 and Xeon E-2378G are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-940 and Xeon E-2378G. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4-3200
Maximum memory size	24 GB	128 GB
Max memory channels	3	2
Maximum memory bandwidth	25.6 GB/s	no data
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	no data	Intel UHD Graphics P750
Max video memory	no data	64 GB
Quick Sync Video	no data	+
Clear Video	no data	+
Clear Video HD	no data	+
Graphics max frequency	no data	1.3 GHz
Execution Units	no data	32
InTru 3D	no data	+

Graphics interfaces

Available interfaces and connections of Core i7-940 and Xeon E-2378G integrated GPUs.

Number of displays supported

no data

1

Graphics image quality

Maximum display resolutions supported by Core i7-940 and Xeon E-2378G integrated GPUs, including resolutions over different interfaces.

4K resolution support	no data	+
Max resolution over HDMI 1.4	no data	4096 x 2160 @60 Hz
Max resolution over eDP	no data	5120 x 3200 @ 60 Hz
Max resolution over DisplayPort	no data	5120 x 3200 @ 60 Hz

Graphics API support

APIs supported by Core i7-940 and Xeon E-2378G integrated GPUs, sometimes API versions are included.

DirectX	no data	12.1
OpenGL	no data	4.5

Peripherals

Specifications and connection of peripherals supported by Core i7-940 and Xeon E-2378G.

PCIe version	no data	4.0
PCI Express lanes	no data	20

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-2378G outperforms Core i7-940 by 618% based on our aggregated benchmark results.

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Pros & cons summary

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Performance score	1.91	13.72
Physical cores	4	8
Threads	8	16
Chip lithography	45 nm	14 nm
Power consumption (TDP)	130 Watt	80 Watt

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Should you still have questions on choice between Core i7-940 and Xeon E-2378G, ask them in Comments section, and we shall answer.

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