Core i7-3770T vs Xeon E3-1245

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.

Core i7-3770T vs Xeon E3-1245 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.

Core i7-3770T vs Xeon E3-1245: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Core i7-3770T

2012

Why buy it

✅Better for gaming: +4.2% higher average FPS across 32 shared CPU benchmark tests.
✅Draws 45W instead of 95W, a 50W reduction.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Intel HD Graphics 4000, while Xeon E3-1245 needs a discrete GPU.
✅Includes a boxed cooler (Yes), unlike Xeon E3-1245.

Trade-offs

❌Launch MSRP is still $278 MSRP, while Xeon E3-1245 mostly shows up through inconsistent older-market listings.

Xeon E3-1245

2011

Why buy it

Trade-offs

❌Worse for gaming: lower average FPS than Core i7-3770T across 32 shared CPU benchmark tests.
❌Lower PassMark (5,346 vs 5,403).
❌111.1% higher power demand at 95W vs 45W.
❌No integrated graphics, while Core i7-3770T can still boot and troubleshoot without a discrete GPU.
❌No boxed cooler included, unlike Core i7-3770T.

Quick Answers

So, is Core i7-3770T better than Xeon E3-1245?

Not really, because they are built for different jobs. Xeon E3-1245 makes more sense for workstation-style multi-core throughput, while Core i7-3770T is the more practical desktop choice for gaming, platform cost, and everyday use.

Which one is better for gaming?

If gaming is the priority, Core i7-3770T is the better pick. According to our tests, it delivers 4.2% more average FPS across 32 shared CPU game tests.

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Core i7-3770T is the stronger fit. You are getting 1.1% better PassMark, backed by 4 cores and 8 threads.

Which one is the smarter buy today, not just the cheaper CPU?

Core i7-3770T is the better buy right now. Core i7-3770T comes in at an unclear MSRP at $278 MSRP versus unclear MSRP, and it still gives you a 4.2% average FPS lead across 32 shared CPU game tests in our data. It is also 100.0% better value on MSRP (19.4 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

Which one is more future-proof for 2026 and beyond?

Core i7-3770T makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2012 vs 2011) and more multi-core headroom with 4 cores / 8 threads instead of 4/8. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i7-3770T vs Xeon E3-1245 Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Core i7-3770T

The Core i7-3770T is manufactured by Intel. It was released in 29 April 2012 (13 years ago). It is based on the Ivy Bridge (2012−2013) architecture. It features 4 cores and 8 threads. Base frequency is 2.5 GHz, with boost up to 3.7 GHz. L3 cache: 8192 kB (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA1155. Thermal design power (TDP): 45 Watt. Memory support: DDR3. Passmark benchmark score: 5,403 points. Launch price was $330.

Xeon E3-1245

The Xeon E3-1245 is manufactured by Intel. It was released in 3 April 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 4 cores and 8 threads. Base frequency is 3.3 GHz, with boost up to 3.7 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 5,346 points. Launch price was $350.

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Processing Power

Both the Core i7-3770T and Xeon E3-1245 share an identical 4-core/8-thread configuration. Boost clocks reach 3.7 GHz on the Core i7-3770T versus 3.7 GHz on the Xeon E3-1245 — identical boost frequencies (base: 2.5 GHz vs 3.3 GHz). The Core i7-3770T uses the Ivy Bridge (2012−2013) architecture (22 nm), while the Xeon E3-1245 uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the Core i7-3770T scores 5,403 against the Xeon E3-1245's 5,346 — a 1.1% lead for the Core i7-3770T. L3 cache: 8192 kB (total) on the Core i7-3770T vs 8 MB (total) on the Xeon E3-1245.

Feature	Core i7-3770T	Xeon E3-1245
Cores / Threads	4 / 8	4 / 8
Boost Clock	3.7 GHz	3.7 GHz
Base Clock	2.5 GHz	3.3 GHz+32%
L3 Cache	8192 kB (total)	8 MB (total)
L2 Cache	256 kB (per core)	256 kB (per core)
Process	22 nm-31%	32 nm
Architecture	Ivy Bridge (2012−2013)	Sandy Bridge (2011−2013)
PassMark	5,403+1%	5,346
Geekbench 6 Single	850	—
Geekbench 6 Multi	2,859	—

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Memory & Platform

Both processors use the LGA1155 socket with PCIe 3.0.

Feature	Core i7-3770T	Xeon E3-1245
Socket	LGA1155	LGA1155
PCIe Generation	PCIe 3.0+50%	PCIe 2.0
Max RAM Speed	DDR3-1600	—
Max RAM Capacity	32 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	16	—

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Advanced Features

Virtualization: Yes (Core i7-3770T) / not specified (Xeon E3-1245). The Core i7-3770T includes integrated graphics (Intel HD Graphics 4000), while the Xeon E3-1245 requires a dedicated GPU.