
Sempron 145
AMD
PassMark
544
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 Sempron 145 is manufactured by AMD. It was released in 1 September 2010 (15 years ago). It is based on the Sargas (2009−2011) architecture. It features 1 cores and 1 threads. Base frequency is 2.8 GHz, with boost up to 2.8 GHz. L3 cache: 0 kB. L2 cache: 1 MB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 45 Watt. Memory support: DDR3. Passmark benchmark score: 544 points. Launch price was $95.
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
FPS Benchmarks
Predicted performance for Sempron 145 across popular games. Tested paired with RTX 4090 to isolate CPU performance.

Civilization VI

Counter-Strike 2

Euro Truck Simulator 2

Final Fantasy XIV

Garry's Mod

Hearts of Iron IV

League of Legends

Monster Hunter Wilds

Naraka: Bladepoint

Path of Exile 2
Technical Analysis
Detailed breakdown of Sempron 145 specifications and capabilities.
Processing Power
The Sempron 145 is a 1-core / 1-thread processor based on the Sargas (2009−2011) architecture, manufactured on a 45 nm process node. It reaches a maximum boost clock of 2.8 GHz from a base frequency of 2.8 GHz— higher boost clocks directly translate to better single-threaded performance and responsiveness in gaming. It carries 0 kB of L3 cache, plus 1 MB (per core) of L2 cache and 128 kB (per core) of L1 cache per core. In the PassMark benchmark (a comprehensive multi-threaded test), it scores 544, placing it in the Entry Level performance tier as a Legacy generation product.
| Specification | Sempron 145 |
|---|---|
| Cores / ThreadsPhysical/logical processing units | 1C / 1T |
| Max Boost ClockPeak single-core speed under boost | 2.8 GHz |
| Base ClockGuaranteed minimum operating frequency | 2.8 GHz |
| ArchitectureCPU microarchitecture design | Sargas (2009−2011) |
| Process NodeFabrication technology — smaller = more efficient | 45 nm |
| L3 CacheShared cache — reduces memory latency for all cores | 0 kB |
| L2 CachePer-core fast cache for frequently accessed data | 1 MB (per core) |
| L1 CacheUltra-fast per-core cache | 128 kB (per core) |
| Die SizePhysical silicon area of the processor | 117 mm2 |
| Transistor CountMore transistors = more capabilities | 234 million |
| 64-bit Support | Yes |
| Windows 11 Compatible | No |
| PassMark ScoreOverall multi-threaded benchmark score | 544 |
Memory & Platform
The Sempron 145 fits into the AM3 socket and supports PCIe 2.0. It supports DDR3 memory.
| Specification | Sempron 145 |
|---|---|
| TypeDesktop or Laptop processor | desktop |
| SocketMotherboard socket required | AM3 |
| 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 Sempron 145 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.
| Specification | Sempron 145 |
|---|---|
| TDPThermal Design Power — heat output under sustained workload | 45 Watt |
Value Analysis
Performance ranking position: #3355 out of all indexed processors.
| Specification | Sempron 145 |
|---|---|
| Launch PriceOriginal retail price at launch | $95 |
| Performance RankPosition in overall performance ranking | #3355 |
| Release DateLaunch date | 1 September 2010 (15 years ago) |
| Release Year | 2010 |
| DesignerArchitecture designer (e.g. Intel, AMD) | AMD |
Specifications Reference
Raw spec sheet for quick lookup. The analysis cards above explain what these fields mean in practice.
4 categories
General Information
6 specs
General Information
6 specs
| Type | desktop |
| Designer | AMD |
| Launch Price | $95 |
| Release Date | 1 September 2010 (15 years ago) |
| Architecture Codename | Sargas (2009−2011) |
| Performance Ranking Position | 3355 |
Technical Specifications
12 specs
Technical Specifications
12 specs
| Cores | 1 |
| Threads | 1 |
| Die Size | 117 mm2 |
| L1 Cache | 128 kB (per core) |
| L2 Cache | 1 MB (per core) |
| L3 Cache | 0 kB |
| Max Frequency | 2.8 GHz |
| 64-Bit Support | + |
| Base Frequency | 2.8 GHz |
| Transistor Count | 234 million |
| Process Technology | 45 nm |
| Windows 11 Compatible | - |
Compatibility
4 specs
Compatibility
4 specs
| Socket | AM3 |
| PCIe Generation | PCIe 2.0 |
| Power Consumption (TDP) | 45 Watt |
| Max Processors In Config | 1 |
Memory
1 spec
Memory
1 spec
| RAM Types | DDR3 |
Similar Performance
Processors with benchmark scores closest to the current hardware, grouped by manufacturer.
Intel (8)








AMD (8)








Our Recommendation for Sempron 145
Suggested pairings based on performance balance
Minimum (Avoid Bottleneck) (12)









Recommended (Balanced) (12)











High-End (Max Performance) (12)












Popular Comparisons
Compare Sempron 145 with other popular CPUs












Compare Sempron 145
See how this CPU stacks up against similar alternatives
Better Alternatives (8)
















Similar or Lower Performance (8)


















