Xeon W-2123

Details and Benchmarks for Intel Xeon W-2123

Sysbuilds Alpha Stage!

Please take all results with a big grain of salt. Sysbuilds is in alpha stage at the moment which can lead to wrong data, strange counting errors, silly results and more. This site is under active development.

Benchmark Results

Combined benchmark scores based on multiple data points, giving a quick overview of this processor's performance.

Overall Score

Overall score for Xeon W-2123 based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

5,076 Rank: 812
Rank Name Score Visual
808 Core i7-4850HQ 5,081
+0.1%
809 Pentium G4400 5,080
+0.1%
810 Xeon E3-1240L v5 5,079
+0.1%
811 Core i5-8250U 5,078
+0%
812 Xeon W-2123 5,076
813 Xeon E5-1620 v4 5,076
+0%
814 FX-8310 5,073
-0.1%
815 Xeon E3-1535M v6 5,072
-0.1%
816 Core i7-5557U 5,071
-0.1%
817 Core i7-4810MQ 5,069
-0.1%

View full ranking →

Multicore Score

Multicore performance score for Xeon W-2123 based on multi-threaded benchmark results.

4,819 Rank: 819
Rank Name Score Visual
815 Core i5-6402P 4,825
+0.1%
816 Core i3-10100 4,825
+0.1%
817 Xeon E3-1275 v5 4,820
+0%
818 Ryzen 5 7520U 4,820
+0%
819 Xeon W-2123 4,819
820 Pentium Gold G4600 4,819
+0%
821 Core i7-6700HQ 4,819
+0%
822 Core i5-7442EQ 4,819
+0%
823 Core i7-7820HQ 4,817
+-0%
824 Core i7-3920XM 4,815
-0.1%

View full ranking →

Singlecore Score

Single-core performance score for Xeon W-2123 based on single-threaded benchmark results.

5,247 Rank: 769
Rank Name Score Visual
765 Core i7-3960X 5,255
+0.2%
766 Pentium Gold G5420 5,254
+0.1%
767 Core i7-4820K 5,253
+0.1%
768 Core i5-6287U 5,250
+0.1%
769 Xeon W-2123 5,247
770 Ryzen 5 PRO 3400GE 5,244
-0.1%
771 Core i3-8100T 5,242
-0.1%
772 Pentium G4560 5,241
-0.1%
773 Xeon Gold 6212U 5,239
-0.2%
774 Core i7-4850HQ 5,236
-0.2%

View full ranking →

Workload Scores

Performance scores grouped by workload type, normalized and aggregated from multiple raw benchmark results.

Number Crunching

Aggregated score for Xeon W-2123 based on integer math, floating point math, and prime number computation benchmarks.

4,725 Rank: 610
Rank Name Score Visual
606 Core i5-9400T 4,728
+0.1%
607 Xeon E3-1270 v6 4,728
+0.1%
608 Xeon E5-2637 v4 4,728
+0.1%
609 Core i7-6700K 4,727
+0%
610 Xeon W-2123 4,725
611 Ryzen 5 1500X 4,725
+0%
612 Core i7-4790K 4,724
+-0%
613 Core i5-9500T 4,723
+-0%
614 Xeon E5-1630 v4 4,723
+-0%
615 Xeon E3-1286 v3 4,723
+-0%

View full ranking →

Data Processing

Aggregated score for Xeon W-2123 based on data encryption, data compression, and string sorting benchmarks.

4,716 Rank: 650
Rank Name Score Visual
646 Xeon E3-1270 v5 4,719
+0.1%
647 Xeon E3-1240 v5 4,719
+0.1%
648 Xeon Gold 5122 4,718
+0%
649 Xeon E3-1280 v5 4,716
+0%
650 Xeon W-2123 4,716
651 Core i5-10200H 4,716
+0%
652 Xeon E3-1230 v6 4,715
+-0%
653 Xeon D-1537 4,715
+-0%
654 Core i7-6700 4,715
+-0%
655 Xeon E3-1276 v3 4,715
+-0%

View full ranking →

Physics & Compute

Aggregated score for Xeon W-2123 based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

4,832 Rank: 532
Rank Name Score Visual
528 Ryzen 7 1700 4,834
+0%
529 Xeon E5-1660 v2 4,834
+0%
530 Xeon E3-1575M v5 4,833
+0%
531 Xeon E-2334 4,833
+0%
532 Xeon W-2123 4,832
533 Ryzen 7 PRO 2700 4,831
+-0%
534 Ryzen 7 PRO 1700 4,831
+-0%
535 Core i7-9750H 4,829
-0.1%
536 Core i7-8559U 4,828
-0.1%
537 Xeon E3-1545M v5 4,828
-0.1%

View full ranking →

Xeon W-2123 Details

As of March 2026, the Intel Xeon W-2123 remains a niche processor designed for high-end workstation environments, offering a balance of multi-threaded performance and enterprise-grade features. Despite being launched in August 2017, it still holds relevance in legacy systems and applications that prioritize stability and ECC memory support over cutting-edge performance. Its 4-core, 8-thread design, powered by the Skylake-W microarchitecture on a 14 nm process, delivers a base clock of 3.6 GHz and a turbo boost up to 3.9 GHz, enabling it to handle demanding computational workloads with moderate efficiency.

The processor's performance is most notable in multi-threaded scenarios, where it achieves a multicore score of 4,819, placing it at #819 out of 2,060 CPUs in the Passmark benchmark database. This positions it ahead of several contemporary Intel and AMD processors like the Core i7-7820HQ and Xeon E3-1535M v6, but behind more modern offerings such as the Core i7-6700K and Xeon E3-1270 v6. In single-core performance, the Xeon W-2123 scores 5,247, ranking #769, which reflects its strong individual core performance—especially when compared to older high-end processors like the Core i7-4820K and Core i7-3960X.

The overall score of 5,076 places the Xeon W-2123 at #812 in the broader ranking, showcasing its balanced performance across various workloads. However, it falls significantly behind current flagship processors such as the Ryzen Threadripper PRO 9995WX and Core Ultra 9 285K, which achieve scores exceeding 8,000 and 8,500 respectively. While it excels in workstations requiring reliability and memory integrity, its age and lack of modern features like AVX-512 support beyond basic implementation limit its competitiveness in compute-intensive fields such as AI training or high-end video rendering.

Equipped with 8.25 MB of L3 cache and a quad-channel DDR4-2666 memory interface, the Xeon W-2123 ensures efficient data throughput for professional applications. Its 120 W TDP and FCLGA-2066 socket make it suitable for robust cooling solutions, but its power consumption may be prohibitive in energy-conscious environments. The processor lacks integrated graphics, requiring a discrete GPU, and includes advanced features such as Intel VT-x, VT-d, and Intel vPro, making it ideal for virtualization and enterprise use cases.

In conclusion, the Xeon W-2123 is best suited for legacy workstation environments where ECC memory, hardware virtualization, and multi-threaded productivity tasks are prioritized. While it no longer competes with modern high-performance CPUs, its reliability and feature set continue to make it a viable option for specific professional use cases.
Frequently Compared

AMD Ryzen 5 PRO 3500U 4 views

AMD Ryzen 3 PRO 2200GE 3 views

AMD Ryzen 9 PRO 3900 3 views

AMD Ryzen Threadripper 3970X 1 view

Intel Xeon W-3225 1 view

Intel Xeon W-2123

Main Specifications

Designer: Intel
Name: Xeon W-2123
Family: Xeon
Series: W-2000
Model Number: W-2123
Cores: 4
Threads: 8
Base Frequency: 3600 MHz
Turbo Frequency (1 core): 3900 MHz
Clock Multiplier: 36x (locked)
Microarchitecture: Skylake
Core Name: Skylake
Core Family: 6
Socket: Socket
Package: FCLGA-2066
Target Segment: Workstation
Max CPUs: 1
TDP: 120 W
Release Price: $294.00

Cache Specifications

L1 Cache: 256 KiB
L1 Instruction Cache: 128 KiB (8-way set associative)
L1 Data Cache: 128 KiB (8-way set associative)
L2 Cache: 4 MiB (16-way set associative)
L3 Cache: 8.25 MiB (11-way set associative)

Memory Specifications

Supported Memory Type: DDR4-2666
Memory Channels: 4
Maximum Memory: 512 GB
Maximum Bandwidth: 79.47 GB/s
ECC Support: Yes

PCI-Express Specifications

PCIe Revision: 3.0
PCIe Lanes: 48
PCIe Configuration: x16, x8, x4

Physical Specifications

Process: 14 nm
Die Area: 484 mm²
Manufacturer: Intel
Technology: CMOS
Word Size: 64-bit
ISA: x86-64 (x86)

CPU Features

MMX EMMX SSE SSE2 SSE3 SSSE3 SSE4.1 SSE4.2 AVX AVX2 ABM BMI1 BMI2 FMA3 AES RdRand ADX CLMUL F16C x86-16 x86-32 x86-64 Real Protected SMM FPU NX HT TBT 2.0 EIST SST TXT vPro VT-x VT-d EPT MPX Secure Key SMEP IPT AVX-512 AVX512F AVX512CD AVX512BW AVX512DQ AVX512VL TSX VMD AVX-512
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