Xeon E3-1280 v5
Intel
PassMark
8,254
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 E3-1280 v5 is manufactured by Intel. It was released in 19 October 2015 (10 years ago). It is based on the Skylake-S (2015) architecture. It features 4 cores and 8 threads. Base frequency is 3.7 GHz, with boost up to 4 GHz. L3 cache: 8 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 80 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 8,254 points. Launch price was $612.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. The Xeon E3-1280 v5 is positioned at rank #354 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 E3-1280 v5
FPS Benchmarks
Predicted performance for Xeon E3-1280 v5 across popular games. Tested paired with RTX 4090 to isolate CPU performance.
Path of Exile 2
Counter-Strike 2
League of Legends
Valorant
Technical Analysis
Detailed breakdown of Xeon E3-1280 v5 specifications and capabilities.
Processing Power
The Xeon E3-1280 v5 is a 4-core / 8-thread processor based on the Skylake-S (2015) architecture, manufactured on a 14 nm process node. It reaches a maximum boost clock of 4 GHz from a base frequency of 3.7 GHz— higher boost clocks directly translate to better single-threaded performance and responsiveness in gaming. It carries 8 MB (total) of L3 cache, plus 256K (per core) of L2 cache and 64K (per core) of L1 cache per core. In the PassMark benchmark (a comprehensive multi-threaded test), it scores 8,254, placing it in the Budget performance tier as a Legacy generation product.
| Specification | Xeon E3-1280 v5 |
|---|---|
| Cores / ThreadsPhysical/logical processing units | 4C / 8T |
| Max Boost ClockPeak single-core speed under boost | 4 GHz |
| Base ClockGuaranteed minimum operating frequency | 3.7 GHz |
| ArchitectureCPU microarchitecture design | Skylake-S (2015) |
| Process NodeFabrication technology — smaller = more efficient | 14 nm |
| L3 CacheShared cache — reduces memory latency for all cores | 8 MB (total) |
| L2 CachePer-core fast cache for frequently accessed data | 256K (per core) |
| L1 CacheUltra-fast per-core cache | 64K (per core) |
| Die SizePhysical silicon area of the processor | 160 mm2 |
| Transistor CountMore transistors = more capabilities | 1,400 million |
| Bus SpeedData bus frequency | 4 × 8 GT/s |
| 64-bit Support | Yes |
| Windows 11 Compatible | No |
| PassMark ScoreOverall multi-threaded benchmark score | 8,254 |
Memory & Platform
The Xeon E3-1280 v5 fits into the LGA1151 socket and supports PCIe 3.0. It supports DDR3, DDR4 memory.
| Specification | Xeon E3-1280 v5 |
|---|---|
| TypeDesktop or Laptop processor | server |
| SeriesProduct family | Intel Xeon E3 |
| SocketMotherboard socket required | LGA1151 |
| PCIe GenerationPeripheral interconnect speed — affects GPU and SSD bandwidth | PCIe 3.0 |
| RAM TypeSupported memory standard | DDR3, DDR4 |
| Max CPUs in ConfigMulti-socket support for servers | 1 (Uniprocessor) |
Power & Cooling
The Xeon E3-1280 v5 has a rated TDP (Thermal Design Power) of 80 Watt — this indicates the amount of heat generated under sustained load and determines what cooling solution is needed.
| Specification | Xeon E3-1280 v5 |
|---|---|
| TDPThermal Design Power — heat output under sustained workload | 80 Watt |
Value Analysis
It currently holds Rank #354 in the overall cost-benefit ranking — this ranking factors in performance-per-dollar relative to all available processors. Performance ranking position: #1429 out of all indexed processors.
| Specification | Xeon E3-1280 v5 |
|---|---|
| Launch PriceOriginal retail price at launch | $612 |
| Cost-Benefit RankPosition in overall value ranking | #354 |
| Performance RankPosition in overall performance ranking | #1429 |
| Release DateLaunch date | 19 October 2015 (10 years ago) |
| Release Year | 2015 |
| 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.
Intel (12)
AMD (12)
Our Recommendation for Xeon E3-1280 v5
Suggested pairings based on performance balance
Minimum (Avoid Bottleneck) (12)
Recommended (Balanced) (12)
High-End (Max Performance) (12)
Popular Comparisons
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