Xeon W-2123

Details and Benchmarks for Intel Xeon W-2123

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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%

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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%

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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 43 views

AMD EPYC 7302P 35 views

Intel Xeon W-3225 35 views

AMD Ryzen 3 PRO 2200GE 32 views

AMD Ryzen Threadripper 3970X 31 views

AMD EPYC 7452 27 views

AMD Ryzen Embedded R1505G 27 views

AMD Ryzen 9 PRO 3900 26 views

Intel Xeon W-3245 24 views

Intel Core i7-9850H 24 views

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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