i9-12900K vs Xeon W-3265

Place in the ranking	302	182
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	9.56	37.70
Market segment	Server	Desktop processor
Series	Intel Xeon W	Intel Core i9
Power efficiency	8.75	19.77
Architecture codename	Cascade Lake (2019−2020)	Alder Lake, Golden Cove, Gracemont (2021)
Release date	3 June 2019 (5 years ago)	27 October 2021 (3 years ago)
Launch price (MSRP)	$3,349	$589

Cost-effectiveness evaluation

Performance per price, higher is better.

i9-12900K has 294% better value for money than Xeon W-3265.

Detailed specifications

Xeon W-3265 and Core i9-12900K 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	24 (Tetracosa-Core)	16 (Hexadeca-Core)
Threads	48	24
Base clock speed	2.7 GHz	3.2 GHz
Boost clock speed	4.6 GHz	5.2 GHz
Bus type	DMI 3.0	DMI 4.0
Bus rate	4 × 8 GT/s	8 × 16 GT/s
Multiplier	27	32
L1 cache	1.5 MB	768 KB
L2 cache	24 MB	4 MB
L3 cache	33 MB	6 MB
Chip lithography	14 nm	10 nm
Die size	no data	215.25 mm²"
Maximum core temperature	78 °C	100 °C
Maximum case temperature (TCase)	no data	72 °C
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	-	+

Compatibility

Information on Xeon W-3265 and Core i9-12900K 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 (Uniprocessor)	1
Socket	FCLGA3647	FCLGA1700
Power consumption (TDP)	205 Watt	125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon W-3265 and Core i9-12900K. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX-512	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
AVX	+	+
vPro	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	-
Idle States	no data	+
Thermal Monitoring	-	+
SIPP	-	+
Turbo Boost Max 3.0	+	+
Deep Learning Boost	+	+

Security technologies

Xeon W-3265 and Core i9-12900K technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	no data	+
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon W-3265 and Core i9-12900K are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon W-3265 and Core i9-12900K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2933	DDR4, DDR5
Maximum memory size	1 TB	128 GB
Max memory channels	6	2
Maximum memory bandwidth	140.8 GB/s	76.805 GB/s
ECC memory support	+	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	no data	Intel UHD Graphics 770
Quick Sync Video	-	+
Clear Video HD	no data	+
Graphics max frequency	no data	1.55 GHz
Execution Units	no data	32

Graphics interfaces

Available interfaces and connections of Xeon W-3265 and Core i9-12900K integrated GPUs.

Number of displays supported

no data

Graphics image quality

Maximum display resolutions supported by Xeon W-3265 and Core i9-12900K integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	no data	4096 x 2160 @ 60Hz
Max resolution over eDP	no data	5120 x 3200 @ 120Hz
Max resolution over DisplayPort	no data	7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Xeon W-3265 and Core i9-12900K integrated GPUs, sometimes API versions are included.

DirectX	no data	12
OpenGL	no data	4.5

Peripherals

Specifications and connection of peripherals supported by Xeon W-3265 and Core i9-12900K.

PCIe version	3.0	5.0 and 4.0
PCI Express lanes	64	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.

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 W-3265 19.67

i9-12900K 27.10
+37.8%

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.

Xeon W-3265 30105

i9-12900K 41474
+37.8%

Gaming performance

Pros & cons summary

Performance score	19.67	27.10
Recency	3 June 2019	27 October 2021
Physical cores	24	16
Threads	48	24
Chip lithography	14 nm	10 nm
Power consumption (TDP)	205 Watt	125 Watt

Xeon W-3265 has 50% more physical cores and 100% more threads.

i9-12900K, on the other hand, has a 37.8% higher aggregate performance score, an age advantage of 2 years, a 40% more advanced lithography process, and 64% lower power consumption.

The Core i9-12900K is our recommended choice as it beats the Xeon W-3265 in performance tests.

Be aware that Xeon W-3265 is a server/workstation processor while Core i9-12900K is a desktop one.

Should you still have questions on choice between Xeon W-3265 and Core i9-12900K, ask them in Comments section, and we shall answer.