Xeon E3-1275 v2 vs Xeon D-2123IT
Xeon E3-1275 v2
Xeon D-2123IT
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.
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. The Xeon E3-1275 v2 is positioned at rank 697 and the Xeon D-2123IT is on rank 437, so the Xeon D-2123IT offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon E3-1275 v2
Performance Per Dollar Xeon D-2123IT
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E3-1275 v2 | Xeon D-2123IT |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($426) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Ivy Bridge (2012−2013) / 22 nm) | ✨ Modern (Skylake (server) (2017−2018) / 14 nm) |
💎 Value Proposition
| Insight | Xeon E3-1275 v2 | Xeon D-2123IT |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($426) | ✅ More affordable ($0) |
Performance Check
To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.
Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.
Technical Specifications
Side-by-side comparison of Xeon E3-1275 v2 and Xeon D-2123IT
Xeon E3-1275 v2
The Xeon E3-1275 v2 is manufactured by Intel. It was released in 14 May 2012 (13 years ago). It is based on the Ivy Bridge (2012−2013) architecture. It features 4 cores and 8 threads. Base frequency is 3.5 GHz, with boost up to 3.9 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA1155. Thermal design power (TDP): 77 Watt. Memory support: DDR3. Passmark benchmark score: 6,644 points. Launch price was $808.
Xeon D-2123IT
The Xeon D-2123IT is manufactured by Intel. It was released in 7 February 2018 (7 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 4 cores and 8 threads. Base frequency is 2.2 GHz, with boost up to 3 GHz. L3 cache: 8.25 MB. L2 cache: 4 MB. Built on 14 nm process technology. Socket: FCBGA2518. Thermal design power (TDP): 60 Watt. Memory support: DDR4. Passmark benchmark score: 6,689 points. Launch price was $213.
Processing Power
Both the Xeon E3-1275 v2 and Xeon D-2123IT share an identical 4-core/8-thread configuration. Boost clocks reach 3.9 GHz on the Xeon E3-1275 v2 versus 3 GHz on the Xeon D-2123IT — a 26.1% clock advantage for the Xeon E3-1275 v2 (base: 3.5 GHz vs 2.2 GHz). The Xeon E3-1275 v2 uses the Ivy Bridge (2012−2013) architecture (22 nm), while the Xeon D-2123IT uses Skylake (server) (2017−2018) (14 nm). In PassMark, the Xeon E3-1275 v2 scores 6,644 against the Xeon D-2123IT's 6,689 — a 0.7% lead for the Xeon D-2123IT. L3 cache: 8 MB (total) on the Xeon E3-1275 v2 vs 8.25 MB on the Xeon D-2123IT.
| Feature | Xeon E3-1275 v2 | Xeon D-2123IT |
|---|---|---|
| Cores / Threads | 4 / 8 | 4 / 8 |
| Boost Clock | 3.9 GHz+30% | 3 GHz |
| Base Clock | 3.5 GHz+59% | 2.2 GHz |
| L3 Cache | 8 MB (total) | 8.25 MB+3% |
| L2 Cache | 256 kB (per core) | 4 MB+1500% |
| Process | 22 nm | 14 nm-36% |
| Architecture | Ivy Bridge (2012−2013) | Skylake (server) (2017−2018) |
| PassMark | 6,644 | 6,689 |
| Geekbench 6 Single | 1,000 | — |
| Geekbench 6 Multi | 4,000 | — |
Memory & Platform
The Xeon E3-1275 v2 uses the LGA1155 socket (PCIe 3.0), while the Xeon D-2123IT uses FCBGA2518 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Xeon E3-1275 v2 | Xeon D-2123IT |
|---|---|---|
| Socket | LGA1155 | FCBGA2518 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | DDR3-1600 | — |
| Max RAM Capacity | 32.77 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ✅ | — |
| PCIe Lanes | 20 | — |
Advanced Features
Virtualization: VT-x, VT-d (Xeon E3-1275 v2) / not specified (Xeon D-2123IT). The Xeon E3-1275 v2 includes integrated graphics (Intel HD Graphics P4000), while the Xeon D-2123IT requires a dedicated GPU. Primary use case: Xeon E3-1275 v2 targets Server/Workstation.
| Feature | Xeon E3-1275 v2 | Xeon D-2123IT |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | Intel HD Graphics P4000 | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x, VT-d | — |
| Target Use | Server/Workstation | — |
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