Xeon w9-3475X vs Core i5-9400

Primary details

Comparing Core i5-9400 and Xeon w9-3475X processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1022	49
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	14.95	18.10
Market segment	Desktop processor	Server
Series	Intel Core i5	no data
Architecture codename	Coffee Lake (2017−2019)	Sapphire Rapids
Release date	19 October 2018 (5 years ago)	1 January 2023 (1 year ago)
Launch price (MSRP)	$182	no data
Current price	$143 (0.8x MSRP)	$3918

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon w9-3475X has 21% better value for money than i5-9400.

Detailed specifications

Core i5-9400 and Xeon w9-3475X 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)	36
Threads	6	72
Base clock speed	2.9 GHz	2.2 GHz
Boost clock speed	4.1 GHz	4.8 GHz
Bus support	4 × 8 GT/s	no data
L1 cache	64K (per core)	80K (per core)
L2 cache	256K (per core)	2 MB (per core)
L3 cache	9 MB (shared)	82.5 MB
Chip lithography	14 nm	Intel 7 nm
Die size	149 mm2	4x 477 mm2
Maximum core temperature	100 °C	74 °C
Maximum case temperature (TCase)	72 °C	74 °C
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	No	Yes

Compatibility

Information on Core i5-9400 and Xeon w9-3475X 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	FCLGA1151	FCLGA4677
Power consumption (TDP)	65 Watt	300 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-9400 and Xeon w9-3475X. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® SSE4.1, Intel® AMX, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	+	+
vPro	no data	+
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
Turbo Boost Max 3.0	no data	+
Status	Discontinued	Launched

Security technologies

Core i5-9400 and Xeon w9-3475X technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-9400 and Xeon w9-3475X are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-9400 and Xeon w9-3475X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR5-4800
Maximum memory size	128 GB	4 TB
Max memory channels	2	8
Maximum memory bandwidth	41.6 GB/s	no data
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel UHD 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	1.05 GHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i5-9400 and Xeon w9-3475X integrated GPUs.

Number of displays supported

3

no data

Graphics image quality

Maximum display resolutions supported by Core i5-9400 and Xeon w9-3475X integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	no data
Max resolution over HDMI 1.4	4096 x 2304@24Hz	no data
Max resolution over eDP	4096 x 2304@60Hz	no data
Max resolution over DisplayPort	4096 x 2304@60Hz	no data

Graphics API support

APIs supported by Core i5-9400 and Xeon w9-3475X 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 i5-9400 and Xeon w9-3475X.

PCIe version	3.0	5.0
PCI Express lanes	16	112

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.

Xeon w9-3475X outperforms Core i5-9400 by 596% based on our aggregate benchmark results.

---

Pros & cons summary

---

Performance score	6.06	42.16
Recency	19 October 2018	1 January 2023
Physical cores	6	36
Threads	6	72
Power consumption (TDP)	65 Watt	300 Watt

---

Should you still have questions on choice between Core i5-9400 and Xeon w9-3475X, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.

---