Xeon E3-1275
Intel
PassMark
5,496
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 E3-1275 is manufactured by Intel. It was released in 3 April 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 4 cores and 8 threads. Base frequency is 3.4 GHz, with boost up to 3.8 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 5,496 points. Launch price was $450.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. The Xeon E3-1275 is positioned at rank #522 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. 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 E3-1275
Technical Analysis
Detailed breakdown of Xeon E3-1275 specifications and capabilities.
Processing Power
The Xeon E3-1275 is a 4-core / 8-thread processor based on the Sandy Bridge (2011−2013) architecture, manufactured on a 32 nm process node. It reaches a maximum boost clock of 3.8 GHz from a base frequency of 3.4 GHz— higher boost clocks directly translate to better single-threaded performance and responsiveness in gaming. It carries 8 MB (total) of L3 cache, plus 256 kB (per core) of L2 cache and 64 kB (per core) of L1 cache per core. In the PassMark benchmark (a comprehensive multi-threaded test), it scores 5,496, placing it in the Entry Level performance tier as a Legacy generation product.
| Specification | Xeon E3-1275 |
|---|---|
| Cores / ThreadsPhysical/logical processing units | 4C / 8T |
| Max Boost ClockPeak single-core speed under boost | 3.8 GHz |
| Base ClockGuaranteed minimum operating frequency | 3.4 GHz |
| ArchitectureCPU microarchitecture design | Sandy Bridge (2011−2013) |
| Process NodeFabrication technology — smaller = more efficient | 32 nm |
| L3 CacheShared cache — reduces memory latency for all cores | 8 MB (total) |
| L2 CachePer-core fast cache for frequently accessed data | 256 kB (per core) |
| L1 CacheUltra-fast per-core cache | 64 kB (per core) |
| Die SizePhysical silicon area of the processor | 216 mm2 |
| Transistor CountMore transistors = more capabilities | 1,160 million |
| Max TemperatureMaximum safe operating temperature (Tjmax) | 73 °C |
| 64-bit Support | Yes |
| Windows 11 Compatible | No |
| PassMark ScoreOverall multi-threaded benchmark score | 5,496 |
Memory & Platform
The Xeon E3-1275 fits into the LGA1155 socket and supports PCIe 2.0. It supports DDR3 memory.
| Specification | Xeon E3-1275 |
|---|---|
| TypeDesktop or Laptop processor | server |
| SocketMotherboard socket required | LGA1155 |
| PCIe GenerationPeripheral interconnect speed — affects GPU and SSD bandwidth | PCIe 2.0 |
| RAM TypeSupported memory standard | DDR3 |
| Max CPUs in ConfigMulti-socket support for servers | 1 |
Power & Cooling
The Xeon E3-1275 has a rated TDP (Thermal Design Power) of 95 Watt — this indicates the amount of heat generated under sustained load and determines what cooling solution is needed.
| Specification | Xeon E3-1275 |
|---|---|
| TDPThermal Design Power — heat output under sustained workload | 95 Watt |
| Max TemperatureMaximum safe junction temperature (Tjmax) | 73 °C |
Value Analysis
It currently holds Rank #522 in the overall cost-benefit ranking — this ranking factors in performance-per-dollar relative to all available processors. Performance ranking position: #1797 out of all indexed processors.
| Specification | Xeon E3-1275 |
|---|---|
| Launch PriceOriginal retail price at launch | $450 |
| Cost-Benefit RankPosition in overall value ranking | #522 |
| Performance RankPosition in overall performance ranking | #1797 |
| Release DateLaunch date | 3 April 2011 (14 years ago) |
| Release Year | 2011 |
| DesignerArchitecture designer (e.g. Intel, AMD) | Intel |
| ManufacturerFabrication foundry (e.g. TSMC) | Intel |
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Our Recommendation for Xeon E3-1275
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