
Celeron G1840T

Core 2 Duo T5600
Celeron G1840T vs Core 2 Duo T5600 Performance Spectrum
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.
Celeron G1840T vs Core 2 Duo T5600 FPS Benchmarks
Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.
Search any supported game below to compare 1080p FPS for both components.

Path of Exile 2

Counter-Strike 2

League of Legends

Valorant

Among Us

Apex Legends

ARC Raiders

Baldur's Gate 3

Call of Duty: Black Ops 6
Celeron G1840T vs Core 2 Duo T5600: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
Celeron G1840T
2014Why buy it
- ✅Costs $199 less on MSRP ($42 MSRP vs $241 MSRP).
- ✅Delivers 479.7% more PassMark for each dollar spent, at 37.5 vs 6.5 PassMark/$ ($42 MSRP vs $241 MSRP).
- ✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
- ✅Integrated graphics onboard with HD Graphics (Haswell), while Core 2 Duo T5600 needs a discrete GPU.
Trade-offs
- ❌2600% higher power demand at 54W vs 2W.
Core 2 Duo T5600
2006Why buy it
- ✅Draws 2W instead of 54W, a 52W reduction.
Trade-offs
- ❌Lower PassMark (1,560 vs 1,576).
- ❌Lower PassMark per dollar, at 6.5 vs 37.5 PassMark/$ ($241 MSRP vs $42 MSRP).
- ❌No integrated graphics, while Celeron G1840T can still boot and troubleshoot without a discrete GPU.
Quick Answers
So, is Celeron G1840T better than Core 2 Duo T5600?
Which one is better for gaming?
Which one is better for streaming, content creation, and heavy multitasking?
Which one is the smarter buy today, not just the cheaper CPU?
Which one is more future-proof for 2026 and beyond?
Celeron G1840T vs Core 2 Duo T5600 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Celeron G1840T
The Celeron G1840T is manufactured by Intel. It was released in 2007-01-01. It is based on the Haswell (2013−2015) architecture. It features 2 cores and 2 threads. Base frequency is 2.5 GHz, with boost up to 2.5 GHz. L3 cache: 3 MB (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA1150. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 1,576 points. Launch price was $69.

Core 2 Duo T5600
The Core 2 Duo T5600 is manufactured by Intel. It was released in 28 July 2006 (19 years ago). It is based on the Merom (2006−2008) architecture. It features 2 cores and 2 threads. Base frequency is 1.83 GHz, with boost up to 1.83 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 65 nm process technology. Socket: PGA478. Thermal design power (TDP): 34 Watt. Passmark benchmark score: 1,560 points. Launch price was $241.
Processing Power
Both the Celeron G1840T and Core 2 Duo T5600 share an identical 2-core/2-thread configuration. Boost clocks reach 2.5 GHz on the Celeron G1840T versus 1.83 GHz on the Core 2 Duo T5600 — a 30.9% clock advantage for the Celeron G1840T (base: 2.5 GHz vs 1.83 GHz). The Celeron G1840T uses the Haswell (2013−2015) architecture (22 nm), while the Core 2 Duo T5600 uses Merom (2006−2008) (65 nm). In PassMark, the Celeron G1840T scores 1,576 against the Core 2 Duo T5600's 1,560 — a 1% lead for the Celeron G1840T. L3 cache: 3 MB (total) on the Celeron G1840T vs 0 kB on the Core 2 Duo T5600.
| Feature | Celeron G1840T | Core 2 Duo T5600 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 2.5 GHz+37% | 1.83 GHz |
| Base Clock | 2.5 GHz+37% | 1.83 GHz |
| L3 Cache | 3 MB (total) | 0 kB |
| L2 Cache | 256 kB (per core) | 2 MB+700% |
| Process | 22 nm-66% | 65 nm |
| Architecture | Haswell (2013−2015) | Merom (2006−2008) |
| PassMark | 1,576+1% | 1,560 |
Memory & Platform
The Celeron G1840T uses the LGA1150 socket (PCIe 3.0), while the Core 2 Duo T5600 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1333 on the Celeron G1840T versus DDR2-667 on the Core 2 Duo T5600 — the Celeron G1840T supports 99.9% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Celeron G1840T supports up to 32 GB of RAM compared to 4 GB — 700% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Celeron G1840T) vs 0 (Core 2 Duo T5600) — the Celeron G1840T offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: H81,B85,H87,Z87,H97,Z97 (Celeron G1840T) and 945GM,945PM (Core 2 Duo T5600).
| Feature | Celeron G1840T | Core 2 Duo T5600 |
|---|---|---|
| Socket | LGA1150 | PGA478 |
| PCIe Generation | PCIe 3.0+173% | PCIe 1.1 |
| Max RAM Speed | DDR3-1333+100% | DDR2-667 |
| Max RAM Capacity | 32 GB+700% | 4 GB |
| RAM Channels | 2 | 2 |
| ECC Support | Yes | No |
| PCIe Lanes | 16 | 0 |
Advanced Features
Virtualization: VT-x (Celeron G1840T) / not specified (Core 2 Duo T5600). The Celeron G1840T includes integrated graphics (HD Graphics (Haswell)), while the Core 2 Duo T5600 requires a dedicated GPU. Primary use case: Celeron G1840T targets Budget. Direct competitor: Celeron G1840T rivals Pentium G3240T.
| Feature | Celeron G1840T | Core 2 Duo T5600 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | HD Graphics (Haswell) | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x | — |
| Target Use | Budget | — |
Value Analysis
At launch, the Celeron G1840T was priced at $42, while the Core 2 Duo T5600 came in at $241. On launch pricing ($42 vs $241), Celeron G1840T was $199 cheaper. In terms of value on MSRP (PassMark points per dollar), the Celeron G1840T delivers 37.5 pts/$ vs 6.5 pts/$ for the Core 2 Duo T5600 — making the Celeron G1840T the 141.2% better value option.
| Feature | Celeron G1840T | Core 2 Duo T5600 |
|---|---|---|
| MSRP | $42-83% | $241 |
| Performance per Dollar | 37.5+477% | 6.5 |
| Release Date | 2014 | 2006 |
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