Xeon E3-1275L v3
Intel
PassMark
6,327
MSRP
$350
AVG Price
$29
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 E3-1275L v3 is manufactured by Intel. It was released in 2015-01-01. It features 4 cores and 8 threads. Base frequency is 2.7 GHz, with boost up to 3.9 GHz. L3 cache: 8 MB Intel® Smart Cache. Built on 22 nm process technology. Socket: LGA1150. Thermal design power (TDP): 45 Watt. Memory support: DDR3-1333, DDR3-1600. Passmark benchmark score: 6,327 points. Launch price was $800.
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 E3-1275L v3
FPS Benchmarks
Predicted performance for Xeon E3-1275L v3 across popular games. Tested paired with RTX 4090 to isolate CPU performance.
Baldur's Gate 3
Call of Duty: Warzone
Civilization VI
Counter-Strike 2
Euro Truck Simulator 2
Genshin Impact
League of Legends
Palworld
Path of Exile 2
Project Zomboid
Technical Analysis
Detailed breakdown of Xeon E3-1275L v3 specifications and capabilities.
Processing Power
The Xeon E3-1275L v3 is a 4-core / 8-thread processor, manufactured on a 22 nm process node. It reaches a maximum boost clock of 3.9 GHz from a base frequency of 2.7 GHz— higher boost clocks directly translate to better single-threaded performance and responsiveness in gaming. It carries 8 MB Intel® Smart Cache of L3 cache. In the PassMark benchmark (a comprehensive multi-threaded test), it scores 6,327, placing it in the Entry Level performance tier as a Legacy generation product. Geekbench 6 single-core (the most relevant metric for gaming FPS) records 900, while multi-core reaches 3,000.
| Specification | Xeon E3-1275L v3 |
|---|---|
| Cores / ThreadsPhysical/logical processing units | 4C / 8T |
| Max Boost ClockPeak single-core speed under boost | 3.9 GHz |
| Base ClockGuaranteed minimum operating frequency | 2.7 GHz |
| Process NodeFabrication technology — smaller = more efficient | 22 nm |
| L3 CacheShared cache — reduces memory latency for all cores | 8 MB Intel® Smart Cache |
| Bus SpeedData bus frequency | 5 GT/s |
| 64-bit Support | Yes |
| Windows 11 Compatible | No |
| PassMark ScoreOverall multi-threaded benchmark score | 6,327 |
| Geekbench 6 SingleSingle-core performance — most relevant for gaming | 900 |
| Geekbench 6 MultiMulti-core parallel workload performance | 3,000 |
Memory & Platform
The Xeon E3-1275L v3 fits into the LGA1150 socket and supports PCIe 3.0 with 16 total PCIe lanes for expansion cards and storage. It supports DDR3-1333, DDR3-1600 memory at speeds up to DDR3-1600 (faster RAM improves bandwidth-sensitive workloads), with a maximum capacity of 32 GB across 2 channels (dual-channel doubles bandwidth). It supports ECC memory, providing error-correcting capabilities — essential for mission-critical workloads and servers. Integrated graphics: Intel HD Graphics P4600 — allows display output without a dedicated GPU, useful for troubleshooting and light tasks.
| Specification | Xeon E3-1275L v3 |
|---|---|
| TypeDesktop or Laptop processor | server |
| SocketMotherboard socket required | LGA1150 |
| PCIe GenerationPeripheral interconnect speed — affects GPU and SSD bandwidth | PCIe 3.0 |
| PCIe LanesTotal available lanes for GPUs, NVMe drives, and expansion | 16 |
| RAM TypeSupported memory standard | DDR3-1333, DDR3-1600 |
| Max RAM SpeedMaximum officially supported memory frequency | DDR3-1600 |
| Max RAM CapacityMaximum installable memory | 32 GB |
| RAM ChannelsDual-channel doubles bandwidth vs single-channel | 2 |
| ECC SupportError-Correcting Code memory — prevents data corruption | Yes |
| Integrated GPUBuilt-in graphics processor | Intel HD Graphics P4600 |
| Compatible ChipsetsMotherboard chipsets that support this CPU | C220,C226 |
| Max CPUs in ConfigMulti-socket support for servers | 1 |
Advanced Features
The Xeon E3-1275L v3 is primarily designed for Low Power Server. Virtualization: VT-x, VT-d — enables running virtual machines efficiently (important for development and server workloads). Its primary market competitor is the Xeon E3-1270 v3.
| Specification | Xeon E3-1275L v3 |
|---|---|
| Primary Use CaseIntended workload category | Low Power Server |
| OverclockingWhether CPU clock can be manually increased | 🔒 Locked |
| AVX-512Advanced vector instructions for AI/ML workloads | ❌ Not Supported |
| VirtualizationHardware-assisted virtualization technology | VT-x, VT-d |
| Direct CompetitorMarket equivalent from rival manufacturer | Xeon E3-1270 v3 |
Power & Cooling
The Xeon E3-1275L v3 has a rated TDP (Thermal Design Power) of 45 Watt — this indicates the amount of heat generated under sustained load and determines what cooling solution is needed. No stock cooler is included — you will need to purchase an aftermarket cooler separately. Recommended cooling: Server Passive.
| Specification | Xeon E3-1275L v3 |
|---|---|
| TDPThermal Design Power — heat output under sustained workload | 45 Watt |
| Included CoolerStock cooler bundled in the box | None |
| Recommended CoolerSuggested aftermarket cooling solution | Server Passive |
Value Analysis
At an average price of $29 (MSRP: $350), the Xeon E3-1275L v3 delivers 218 PassMark points per dollar. Performance ranking position: #1676 out of all indexed processors.
| Specification | Xeon E3-1275L v3 |
|---|---|
| MSRPManufacturer's Suggested Retail Price | $350 |
| Avg Price (30d)Average market price over the last 30 days | $29 |
| Launch PriceOriginal retail price at launch | $800 |
| Performance RankPosition in overall performance ranking | #1676 |
| Release DateLaunch date | 2015-01-01 |
| Release Year | 2014 |
| DesignerArchitecture designer (e.g. Intel, AMD) | Intel |
Specifications Reference
Raw spec sheet for quick lookup. The analysis cards above explain what these fields mean in practice.
4 categories
General Information
5 specs
General Information
5 specs
| Type | server |
| Designer | Intel |
| Launch Price | $800 |
| Release Date | 2015-01-01 |
| Performance Ranking Position | 1676 |
Technical Specifications
9 specs
Technical Specifications
9 specs
| Cores | 4 |
| Threads | 8 |
| L3 Cache | 8 MB Intel® Smart Cache |
| Bus Speed | 5 GT/s |
| Max Frequency | 3.9 GHz |
| 64-Bit Support | + |
| Base Frequency | 2.7 GHz |
| Process Technology | 22 nm |
| Windows 11 Compatible | - |
Compatibility
4 specs
Compatibility
4 specs
| Socket | LGA1150 |
| PCIe Generation | PCIe 3.0 |
| Power Consumption (TDP) | 45 Watt |
| Max Processors In Config | 1 |
Memory
5 specs
Memory
5 specs
| RAM Types | DDR3-1333, DDR3-1600 |
| Memory Channels | 2 |
| Memory Bandwidth | 25.6 GB/s |
| ECC Memory Support | + |
| Max Memory Capacity | 32 GB |
Similar Performance
Processors with benchmark scores closest to the current hardware, grouped by manufacturer.
Intel (8)
AMD (8)
Our Recommendation for Xeon E3-1275L v3
Suggested pairings based on performance balance
Minimum (Avoid Bottleneck) (12)
Recommended (Balanced) (12)
High-End (Max Performance) (12)
Popular Comparisons
Compare Xeon E3-1275L v3 with other popular CPUs
Compare Xeon E3-1275L v3
See how this CPU stacks up against similar alternatives
Better Alternatives (8)
Similar or Lower Performance (8)
