
Celeron T1700 vs Celeron B840

Celeron T1700

Celeron B840
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 Celeron T1700 is positioned at rank 1014 and the Celeron B840 is on rank 1028, so the Celeron T1700 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Celeron T1700
Performance Per Dollar Celeron B840
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron T1700 | Celeron B840 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($5) | ⚠️ Higher cost ($15) |
| Longevity | 🛑 Legacy (Legacy / 65 nm) | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) |
💎 Value Proposition
| Insight | Celeron T1700 | Celeron B840 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+198%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($5) | ⚠️ Higher cost ($15) |
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 Celeron T1700 and Celeron B840

Celeron T1700
The Celeron T1700 is manufactured by Intel. It was released in 2007-01-01. Base frequency: 1.83 GHz. L3 cache: 1 MB L2 Cache. Built on 65 nm process technology. Socket: PGA478. Thermal design power (TDP): 35 Watt. Passmark benchmark score: 1,058 points. Launch price was $69.

Celeron B840
The Celeron B840 is manufactured by Intel. It was released in 1 July 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 2 cores and 2 threads. Base frequency is 1.9 GHz, with boost up to 1.9 GHz. L3 cache: 2 MB (total). L2 cache: 256K (per core). Built on 32 nm process technology. Socket: PGA988. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 1,065 points. Launch price was $86.
Processing Power
The Celeron B840 is built on the Sandy Bridge (2011−2013) architecture. In PassMark, the Celeron T1700 scores 1,058 against the Celeron B840's 1,065 — a 0.7% lead for the Celeron B840. L3 cache: 1 MB L2 Cache on the Celeron T1700 vs 2 MB (total) on the Celeron B840.
| Feature | Celeron T1700 | Celeron B840 |
|---|---|---|
| Cores / Threads | — | 2 / 2 |
| Boost Clock | — | 1.9 GHz |
| Base Clock | 1.83 GHz | 1.9 GHz+4% |
| L3 Cache | 1 MB L2 Cache | 2 MB (total)+100% |
| L2 Cache | — | 256K (per core) |
| Process | 65 nm | 32 nm-51% |
| Architecture | — | Sandy Bridge (2011−2013) |
| PassMark | 1,058 | 1,065 |
| Geekbench 6 Single | — | 450 |
| Geekbench 6 Multi | — | 790 |
Memory & Platform
The Celeron T1700 uses the PGA478 socket (PCIe 2.0), while the Celeron B840 uses PGA988 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Celeron T1700 | Celeron B840 |
|---|---|---|
| Socket | PGA478 | PGA988 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | — | 1333 |
| Max RAM Capacity | — | 16 |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 16 |
Advanced Features
Virtualization: not specified (Celeron T1700) / true (Celeron B840). The Celeron B840 includes integrated graphics (Intel HD Graphics (Sandy Bridge)), while the Celeron T1700 requires a dedicated GPU. Primary use case: Celeron B840 targets Budget. Direct competitor: Celeron B840 rivals Pentium B940.
| Feature | Celeron T1700 | Celeron B840 |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | Intel HD Graphics (Sandy Bridge) |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | true |
| Target Use | — | Budget |
Value Analysis
The Celeron T1700 launched at $80 MSRP, while the Celeron B840 debuted at $86. At current prices ($5 vs $15), the Celeron T1700 is $10 cheaper. In terms of value (PassMark points per dollar), the Celeron T1700 delivers 211.6 pts/$ vs 71.0 pts/$ for the Celeron B840 — making the Celeron T1700 the 99.5% better value option.
| Feature | Celeron T1700 | Celeron B840 |
|---|---|---|
| MSRP | $80-7% | $86 |
| Avg Price (30d) | $5-67% | $15 |
| Performance per Dollar | 211.6+198% | 71.0 |
| Release Date | 2008 | 2011 |
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