Intel Core i7 3770 4-core LGA 1155
The 22nm Ivy Bridge architecture delivers 4 cores and 8 threads with a 3.9GHz boost clock, backed by an 8MB L3 cache for responsive multitasking in a 77W TDP envelope. Its integrated Intel HD Graphics 4000 and PCIe 3.0 support provide capable display output and expansion without a discrete GPU, making it a practical choice for refurbished budget builds. This processor is best for cost-conscious users assembling a basic home office PC or upgrading an aging LGA 1155 system for everyday productivity tasks.
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Overzicht
The 30-Second Version
The i7-3770 is the best cheap upgrade for old LGA 1155 systems, but it's not worth building new around. Grab one under USD 100 and skip the stock cooler.
Pros & Cons
Pluspunten
- Still fast for photo and video editing 90th
- Great drop-in upgrade for LGA 1155 boards 85th
- Surprisingly good overclocking headroom for a non-K chip 79th
- Runs stable with an aftermarket cooler 70th
Minpunten
- Stock cooler is a joke under load
- DDR3 memory limits future upgrades
- Price is all over the place depending on vendor
- Shows its age in single-thread workloads
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The Word on the Street
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Gebaseerd op 9 gedateerde klantreviews, gegroepeerd per kalenderkwartaal. Analyse per periode is in het Engels.
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Performance
What surprised us most is how well this thing still handles photo and video editing. Users keep praising its speed in those tasks, and the 6411 PassMark multi-core score backs that up. It's not going to win any races against a Ryzen 5 7600, but for a 22nm chip from over a decade ago, it's still got legs. The 3.9GHz boost on four cores with eight threads means it chews through older workloads without breaking a sweat. Single-thread performance sits right around average for its class, which is fine for everyday tasks but shows its age in newer games.
Specifications
Full Specifications
Processor
| Brand | Intel |
| Series | Core i7 |
| Model | 3770 |
| Codename | Ivy Bridge |
| Class | desktop |
| Process | 22 |
Cores & Clocks
| Cores | 4 |
| P-cores | 4 |
| Threads | 8 |
| Base Clock | 3400 |
| Boost Clock | 3900 |
Cache
| L2 Cache | 1 |
| L3 Cache | 8 MB |
Performance
| PassMark Multi | 6411 |
| PassMark Single | 2069 |
Memory
| Memory Type | DDR3 |
| Max Speed | 1600 |
| Channels | 2 |
| Max Memory | 32 |
| ECC | No |
Platform & Power
| Socket | LGA 1155 |
| PCIe | 3 |
| PCIe Lanes | 16 |
| TDP | 77 |
| Max Turbo Power | 77 |
| Unlocked | No |
Graphics & AI
| Integrated Graphics | Intel HD Graphics 4000 |
vs Competition
Against a Ryzen 5 7600, there's no contest. The 7600 destroys it in every metric that matters, but it also requires a new motherboard, DDR5 RAM, and a much bigger budget. The i7-3770's real competition is other used chips in the LGA 1155 ecosystem. The Xeon E5-2637 V2 is a server chip that some people cross-shop, but it's a different socket and a different use case. If you're already on LGA 1155, the 3770 is the top of that food chain. If you're building new, skip this entirely and go AM5.
| Spec | Intel Core i7 3770 | AMD Ryzen 7 9800X3D | SMC EPYC 9555P | HP Xeon 6526Y | CG CHIPS GATE EPYC 6GK7443-1EX30-0XE0 1PC New 6GK7443-1EX30-0XE0 Communications Processor | D&H Core i9 BX80673I99960X |
|---|---|---|---|---|---|---|
| Cores | 4 | 8 | 64 | 16 | 24 | 16 |
| Threads | 8 | 16 | 128 | 32 | 48 | 32 |
| Boost Clock Mhz | 3900 | 5200 | 4400 | 3900 | 4000 | 4400 |
| L3 Cache Mb | 8 | 96 | 256 | 37 | 128 | 22 |
| Tdp W | 77 | 120 | 360 | 195 | 200 | 165 |
| Socket | LGA 1155 | AM5 | AMD Socket SP5 | LGA 4677 | AMD Socket SP3 | LGA 2066 |
| Integrated Graphics | Intel HD Graphics 4000 | AMD Radeon | - | No | - | - |
| Compare | Compare | Compare | Compare | Compare |
| Product | AI | Feature | Platform | User Sentiment | Efficiency | Multi Thread | Gebruikersoordeel | Affordability | Single Thread |
|---|---|---|---|---|---|---|---|---|---|
| Intel Core i7 3770 | 46.6 | 70.1 | 58.4 | 78.7 | 51.4 | 47.3 | 90.3 | 84.9 | 57.3 |
| AMD Ryzen 7 9800X3D Compare | 91.6 | 98.5 | 95.2 | 92.7 | 88.8 | 89.2 | 96.4 | 23.7 | 95.1 |
| SMC EPYC 9555P Compare | 99.3 | 77.4 | 96.7 | 0 | 89.7 | 99.4 | 0 | 0.4 | 85.9 |
| HP Xeon 6526Y Compare | 92.1 | 77.4 | 90.8 | 0 | 79.3 | 89.9 | 0 | 2.7 | 80.6 |
| CG CHIPS GATE EPYC 6GK7443-1EX30-0XE0 1PC New 6GK7443-1EX30-0XE0 Communications Processor Compare | 94.8 | 77.4 | 84.5 | 0 | 85.1 | 93.9 | 36.3 | 5.3 | 80.4 |
| D&H Core i9 BX80673I99960X Compare | 89.1 | 63 | 81.7 | 0 | 74.8 | 84.5 | 70.7 | 17.5 | 73.8 |
Prijs
Value & Pricing
Here's the thing: prices swing wildly. In the US, you'll see this chip listed anywhere from USD 52 to USD 261 across eight listings. That's a massive spread for the same silicon. If you're paying over USD 100, you're getting ripped off. Amazon has the best deals right now, with renewed units at the lower end of that range. At USD 52 to USD 80, it's a steal for breathing life into an old system. At USD 200 plus, you're better off saving for a modern platform.
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Overview
The Core i7-3770 is the old reliable of the CPU world. It's a 2012 Ivy Bridge chip that still holds up surprisingly well for budget builds and older system upgrades. The one thing to know: if you're on LGA 1155 and want a cheap, meaningful speed bump, this is the chip to grab. Just don't expect it to hang with anything modern.
Common Questions
Q: Can I overclock the i7-3770?
Technically it's a non-K chip, so the multiplier is locked. But you can still squeeze out extra performance by bumping the base clock a bit on a decent Z77 board. Just don't expect huge gains, and get a better cooler first.
Q: Is the stock cooler good enough?
No. It'll keep the chip from melting in basic use, but under sustained load it gets toasty and loud. Spend USD 20 to USD 30 on a budget aftermarket cooler and you'll see lower temps and less noise.
Q: Is this worth buying for a new build?
Not really. You'd be locking yourself into DDR3 and a dead socket. For a bit more money, a used Ryzen or even a newer i3 will run circles around it and give you an upgrade path.
Who Should Skip This
If you're building a new PC or want to play modern games at high settings, this isn't it. Go grab a Ryzen 5 7600 or even a used Ryzen 3000 series chip instead. The i7-3770 is for people who already own an LGA 1155 board and want a cheap, meaningful upgrade without replacing everything else.
Verdict
The i7-3770 is a fantastic upgrade for an aging LGA 1155 system, but it's not a chip you build a new PC around in 2024. If you've got an old i3 or i5 in that socket and want a cheap performance boost, grab one at the low end of the price range and don't look back. Pair it with a decent aftermarket cooler and you'll be happy. If you're starting from scratch, this isn't your chip.
