Xeon Gold 5318Y vs i7-3940XM

Place in the ranking	1497	265
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Server
Series	Intel Core i7	no data
Power efficiency	6.33	11.96
Architecture codename	Ivy Bridge (2012−2013)	Ice Lake-SP (2021)
Release date	3 September 2012 (12 years ago)	6 April 2021 (3 years ago)
Launch price (MSRP)	$1,096	no data

Detailed specifications

Core i7-3940XM and Xeon Gold 5318Y 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)	24 (Tetracosa-Core)
Threads	8	48
Base clock speed	3 GHz	2.1 GHz
Boost clock speed	3.9 GHz	3.4 GHz
Bus rate	5 GT/s	no data
L1 cache	64K (per core)	64K (per core)
L2 cache	256K (per core)	1 MB (per core)
L3 cache	8 MB (shared)	36 MB (shared)
Chip lithography	22 nm	10 nm
Die size	160 mm²	no data
Maximum core temperature	105 °C	no data
Maximum case temperature (TCase)	no data	87 °C
Number of transistors	1,400 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	+	-

Compatibility

Information on Core i7-3940XM and Xeon Gold 5318Y 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	2
Socket	FCPGA988	FCLGA4189
Power consumption (TDP)	55 Watt	165 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-3940XM and Xeon Gold 5318Y. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX	Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	+	+
vPro	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
My WiFi	+	no data
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	-	+
Idle States	+	no data
Thermal Monitoring	+	-
Flex Memory Access	+	no data
Demand Based Switching	-	no data
FDI	+	no data
Fast Memory Access	+	no data
Deep Learning Boost	-	+

Security technologies

Core i7-3940XM and Xeon Gold 5318Y technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Identity Protection	+	-
SGX	no data	Yes with Intel® SPS
Anti-Theft	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-3940XM and Xeon Gold 5318Y are enumerated here.

AMD-V	+	-
VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-3940XM and Xeon Gold 5318Y. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4-2933
Maximum memory size	32 GB	6 TB
Max memory channels	2	8
Maximum memory bandwidth	25.6 GB/s	no data
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics 4000	no data
Quick Sync Video	+	-
Clear Video HD	+	no data
Graphics max frequency	1.35 GHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i7-3940XM and Xeon Gold 5318Y integrated GPUs.

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

Peripherals

Specifications and connection of peripherals supported by Core i7-3940XM and Xeon Gold 5318Y.

PCIe version	3.0	4.0
PCI Express lanes	16	64

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.

i7-3940XM 3.68

Xeon Gold 5318Y 20.86
+467%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

i7-3940XM 5840

Xeon Gold 5318Y 33139
+467%

Gaming performance

Pros & cons summary

Performance score	3.68	20.86
Recency	3 September 2012	6 April 2021
Physical cores	4	24
Threads	8	48
Chip lithography	22 nm	10 nm
Power consumption (TDP)	55 Watt	165 Watt

i7-3940XM has 200% lower power consumption.

Xeon Gold 5318Y, on the other hand, has a 466.8% higher aggregate performance score, an age advantage of 8 years, 500% more physical cores and 500% more threads, and a 120% more advanced lithography process.

The Xeon Gold 5318Y is our recommended choice as it beats the Core i7-3940XM in performance tests.

Be aware that Core i7-3940XM is a notebook processor while Xeon Gold 5318Y is a server/workstation one.

Should you still have questions on choice between Core i7-3940XM and Xeon Gold 5318Y, ask them in Comments section, and we shall answer.