Xeon Gold 6438N vs Core i7-7700K

Primary details

Comparing Core i7-7700K and Xeon Gold 6438N processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1002	99
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	4.35	no data
Market segment	Desktop processor	Server
Series	Intel Core i7 (Desktop)	no data
Architecture codename	Kaby Lake (2016−2019)	Sapphire Rapids
Release date	3 January 2017 (7 years ago)	10 January 2023 (1 year ago)
Launch price (MSRP)	$339	no data
Current price	$219 (0.6x MSRP)	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i7-7700K and Xeon Gold 6438N 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)	32 (Dotriaconta-Core)
Threads	8	64
Base clock speed	4.2 GHz	2 GHz
Boost clock speed	4.5 GHz	3.6 GHz
L1 cache	64K (per core)	80K (per core)
L2 cache	256K (per core)	2 MB (per core)
L3 cache	8 MB (shared)	60 MB
Chip lithography	14 nm	Intel 7 nm
Maximum core temperature	100 °C	85 °C
Maximum case temperature (TCase)	72 °C	85 °C
64 bit support	+	+
Windows 11 compatibility	-	no data
Unlocked multiplier	Yes	No

Compatibility

Information on Core i7-7700K and Xeon Gold 6438N 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	FCLGA1151	FCLGA4677
Power consumption (TDP)	91 Watt	205 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-7700K and Xeon Gold 6438N. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	+	+
vPro	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	+
Idle States	+	no data
Thermal Monitoring	+	no data
SIPP	-	no data
Status	Discontinued	Launched

Security technologies

Core i7-7700K and Xeon Gold 6438N technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-7700K and Xeon Gold 6438N are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-7700K and Xeon Gold 6438N. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3, DDR4	DDR5-4800, DDR5-4400
Maximum memory size	64 GB	4 TB
Max memory channels	2	8
Maximum memory bandwidth	38.397 GB/s	no data
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics 630	no data
Max video memory	64 GB	no data
Quick Sync Video	+	no data
Clear Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	1.15 GHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i7-7700K and Xeon Gold 6438N integrated GPUs.

Number of displays supported

3

no data

Graphics image quality

Maximum display resolutions supported by Core i7-7700K and Xeon Gold 6438N integrated GPUs, including resolutions over different interfaces.

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

Graphics API support

APIs supported by Core i7-7700K and Xeon Gold 6438N integrated GPUs, sometimes API versions are included.

DirectX	12	no data
OpenGL	4.5	no data

Peripherals

Specifications and connection of peripherals supported by Core i7-7700K and Xeon Gold 6438N.

PCIe version	3.0	5
PCI Express lanes	16	80

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 Gold 6438N outperforms Core i7-7700K by 447% based on our aggregated benchmark results.

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Pros & cons summary

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Performance score	6.24	34.13
Recency	3 January 2017	10 January 2023
Physical cores	4	32
Threads	8	64
Power consumption (TDP)	91 Watt	205 Watt

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Should you still have questions on choice between Core i7-7700K and Xeon Gold 6438N, ask them in Comments section, and we shall answer.

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