CPU
GPU
A6-1450
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 A6-1450 is positioned at rank 929 and the Celeron B840 is on rank 1028, so the A6-1450 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar A6-1450
Performance Per Dollar Celeron B840
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | A6-1450 | Celeron B840 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($15) |
| Longevity | 🛑 Legacy (Temash (2013) / 32 nm) | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) |
💎 Value Proposition
| Insight | A6-1450 | Celeron B840 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ 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 A6-1450 and Celeron B840
A6-1450
The A6-1450 is manufactured by AMD. It was released in 2014-01-01. It is based on the Temash (2013) architecture. It features 4 cores and 4 threads. Base frequency is 1 GHz, with boost up to 1.4 GHz. L3 cache: 0 kB. L2 cache: 512K (per core). Built on 32 nm process technology. Socket: FT3. Thermal design power (TDP): 8 Watt. Memory support: DDR3. Passmark benchmark score: 1,062 points. Launch price was $70.
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 A6-1450 packs 4 cores / 4 threads, while the Celeron B840 offers 2 cores / 2 threads — the A6-1450 has 2 more cores. Boost clocks reach 1.4 GHz on the A6-1450 versus 1.9 GHz on the Celeron B840 — a 30.3% clock advantage for the Celeron B840 (base: 1 GHz vs 1.9 GHz). The A6-1450 uses the Temash (2013) architecture (32 nm), while the Celeron B840 uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the A6-1450 scores 1,062 against the Celeron B840's 1,065 — a 0.3% lead for the Celeron B840. Geekbench 6 single-core — the metric most relevant to gaming — records 144 vs 450, a 103% lead for the Celeron B840 that directly translates to higher frame rates. Multi-core Geekbench: 450 vs 790 (54.8% advantage for the Celeron B840). L3 cache: 0 kB on the A6-1450 vs 2 MB (total) on the Celeron B840.
| Feature | A6-1450 | Celeron B840 |
|---|---|---|
| Cores / Threads | 4 / 4+100% | 2 / 2 |
| Boost Clock | 1.4 GHz | 1.9 GHz+36% |
| Base Clock | 1 GHz | 1.9 GHz+90% |
| L3 Cache | 0 kB | 2 MB (total) |
| L2 Cache | 512K (per core)+100% | 256K (per core) |
| Process | 32 nm | 32 nm |
| Architecture | Temash (2013) | Sandy Bridge (2011−2013) |
| PassMark | 1,062 | 1,065 |
| Geekbench 6 Single | 144 | 450+213% |
| Geekbench 6 Multi | 450 | 790+76% |
Memory & Platform
The A6-1450 uses the FT3 socket (PCIe 3.0), while the Celeron B840 uses PGA988 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3L-1066 on the A6-1450 versus 1333 on the Celeron B840 — the Celeron B840 supports 199.1% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Celeron B840 supports up to 16 of RAM compared to 8 GB — 66.7% more capacity for professional workloads. Memory channels: 1 (A6-1450) vs 2 (Celeron B840). PCIe lanes: 8 (A6-1450) vs 16 (Celeron B840) — the Celeron B840 offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SoC (A6-1450) and HM65,HM67,QM67 (Celeron B840).
| Feature | A6-1450 | Celeron B840 |
|---|---|---|
| Socket | FT3 | PGA988 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | DDR3L-1066 | 1333+44333% |
| Max RAM Capacity | 8 GB+52428700% | 16 |
| RAM Channels | 1 | 2+100% |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 8 | 16+100% |
Advanced Features
Neither processor supports overclocking. Virtualization support: AMD-V (A6-1450) vs true (Celeron B840). Both include integrated graphics — Radeon HD 8250 (A6-1450) and Intel HD Graphics (Sandy Bridge) (Celeron B840) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: A6-1450 targets Low Power Tablet/Laptop, Celeron B840 targets Budget. Direct competitor: A6-1450 rivals Atom Z3740; Celeron B840 rivals Pentium B940.
| Feature | A6-1450 | Celeron B840 |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Radeon HD 8250 | Intel HD Graphics (Sandy Bridge) |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | AMD-V | true |
| Target Use | Low Power Tablet/Laptop | Budget |
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