Xeon W-11855M
Intel
PassMark
17,462
MSRP
$450
AVG Price
$200
Performance Spectrum - CPU
About PassMark
PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.
Overview
The Xeon W-11855M is manufactured by Intel. It was released in 11 May 2021 (4 years ago). It is based on the Tiger Lake-H (2021) architecture. It features 6 cores and 12 threads. Base frequency is 3.2 GHz, with boost up to 4.9 GHz. L3 cache: 18 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm SuperFin process technology. Socket: FCBGA1787. Thermal design power (TDP): 35 Watt. Memory support: DDR4. Passmark benchmark score: 17,462 points. Launch price was $450.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon W-11855M
FPS Benchmarks
Predicted performance for Xeon W-11855M across popular games. Tested paired with RTX 4090 to isolate CPU performance.
Counter-Strike 2
League of Legends
Path of Exile 2
Valorant
Technical Analysis
Detailed breakdown of Xeon W-11855M specifications and capabilities.
Processing Power
The Xeon W-11855M is a 6-core / 12-thread processor based on the Tiger Lake-H (2021) architecture, manufactured on a 10 nm SuperFin process node. It reaches a maximum boost clock of 4.9 GHz from a base frequency of 3.2 GHz— higher boost clocks directly translate to better single-threaded performance and responsiveness in gaming. It carries 18 MB (total) of L3 cache, plus 1.25 MB (per core) of L2 cache and 80 kB (per core) of L1 cache per core. In the PassMark benchmark (a comprehensive multi-threaded test), it scores 17,462, placing it in the Mid-Range performance tier as a Aging generation product.
| Specification | Xeon W-11855M |
|---|---|
| Cores / ThreadsPhysical/logical processing units | 6C / 12T |
| Max Boost ClockPeak single-core speed under boost | 4.9 GHz |
| Base ClockGuaranteed minimum operating frequency | 3.2 GHz |
| ArchitectureCPU microarchitecture design | Tiger Lake-H (2021) |
| Process NodeFabrication technology — smaller = more efficient | 10 nm SuperFin |
| L3 CacheShared cache — reduces memory latency for all cores | 18 MB (total) |
| L2 CachePer-core fast cache for frequently accessed data | 1.25 MB (per core) |
| L1 CacheUltra-fast per-core cache | 80 kB (per core) |
| Die SizePhysical silicon area of the processor | 190 mm2 |
| Bus SpeedData bus frequency | 8 GT/s |
| Max TemperatureMaximum safe operating temperature (Tjmax) | 100 °C |
| 64-bit Support | Yes |
| Windows 11 Compatible | Yes |
| PassMark ScoreOverall multi-threaded benchmark score | 17,462 |
Memory & Platform
The Xeon W-11855M fits into the FCBGA1787 socket and supports PCIe 5.0. It supports DDR4 memory.
| Specification | Xeon W-11855M |
|---|---|
| TypeDesktop or Laptop processor | Mobile Workstation |
| SeriesProduct family | Intel Tiger Lake |
| SocketMotherboard socket required | FCBGA1787 |
| PCIe GenerationPeripheral interconnect speed — affects GPU and SSD bandwidth | PCIe 5.0 |
| RAM TypeSupported memory standard | DDR4 |
| Max CPUs in ConfigMulti-socket support for servers | 1 |
Power & Cooling
The Xeon W-11855M has a rated TDP (Thermal Design Power) of 35 Watt — this indicates the amount of heat generated under sustained load and determines what cooling solution is needed.
| Specification | Xeon W-11855M |
|---|---|
| TDPThermal Design Power — heat output under sustained workload | 35 Watt |
| Max TemperatureMaximum safe junction temperature (Tjmax) | 100 °C |
Value Analysis
At an average price of $200 (MSRP: $450), the Xeon W-11855M delivers 87 PassMark points per dollar. Performance ranking position: #907 out of all indexed processors.
| Specification | Xeon W-11855M |
|---|---|
| MSRPManufacturer's Suggested Retail Price | $450 |
| Avg Price (30d)Average market price over the last 30 days | $200 |
| Launch PriceOriginal retail price at launch | $450 |
| Performance RankPosition in overall performance ranking | #907 |
| Release DateLaunch date | 11 May 2021 (4 years ago) |
| Release Year | 2021 |
| DesignerArchitecture designer (e.g. Intel, AMD) | Intel |
| ManufacturerFabrication foundry (e.g. TSMC) | Intel |
Similar Performance
Processors with benchmark scores closest to the current hardware, grouped by manufacturer.
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Our Recommendation for Xeon W-11855M
Suggested pairings based on performance balance
Minimum (Avoid Bottleneck) (12)
Recommended (Balanced) (12)
High-End (Max Performance) (12)
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