Core i5-7400T vs Xeon X5667

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 i5-7400T vs Xeon X5667 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 i5-7400T vs Xeon X5667: Pros, Cons & Final Verdict

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

Core i5-7400T

2017

Why buy it

✅Draws 35W instead of 95W, a 60W reduction.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Intel HD Graphics 630, while Xeon X5667 needs a discrete GPU.
✅Includes a boxed cooler (Yes), unlike Xeon X5667.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon X5667 across 50 shared CPU benchmark tests.
❌Lower PassMark (4,692 vs 4,697).
❌Smaller total L3 cache (6 MB vs 12 MB).
❌Less compelling for workstation-style loads than Xeon X5667, which brings 4 cores / 8 threads.
❌Launch MSRP is still $182 MSRP, while Xeon X5667 mostly shows up through inconsistent older-market listings.

Xeon X5667

2010

Why buy it

✅Better for gaming: +8.8% higher average FPS across 50 shared CPU benchmark tests.
✅+100% larger total L3 cache (12 MB vs 6 MB).
✅Better for workstations and heavier parallel workloads: 4 cores / 8 threads.

Trade-offs

❌171.4% higher power demand at 95W vs 35W.
❌No integrated graphics, while Core i5-7400T can still boot and troubleshoot without a discrete GPU.
❌No boxed cooler included, unlike Core i5-7400T.

Quick Answers

So, is Xeon X5667 better than Core i5-7400T?

Not really, because they are built for different jobs. Xeon X5667 makes more sense for workstation-style multi-core throughput, while Core i5-7400T is the more practical desktop choice for gaming, platform cost, and everyday use.

Which one is better for gaming?

If gaming is the priority, Xeon X5667 is the better pick. According to our tests, it delivers 8.8% more average FPS across 50 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Xeon X5667 is the stronger fit. You are getting 0.1% better PassMark, backed by 4 cores and 8 threads. It also has the larger cache pool with 100% larger total L3 cache (12 MB vs 6 MB).

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

Xeon X5667 is still the much better call for a fresh build. Xeon X5667 comes in at an unclear MSRP at unclear MSRP versus $182 MSRP, and it still gives you a 8.8% average FPS lead across 50 shared CPU game tests in our data. Core i5-7400T only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2017 platform. Even with 100.0% better value on paper (25.8 vs 0.0 PassMark/$), it really only makes sense as a cheap stopgap or a niche existing-platform option for someone already on LGA1151.

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

Core i5-7400T makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2017 vs 2010). That makes it the safer long-term bet.

Core i5-7400T vs Xeon X5667 Technical Specifications

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

Core i5-7400T

The Core i5-7400T is manufactured by Intel. It was released in 3 January 2017 (8 years ago). It is based on the Kaby Lake (2016−2019) architecture. It features 4 cores and 4 threads. Base frequency is 2.4 GHz, with boost up to 3 GHz. L3 cache: 6 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 35 Watt. Memory support: DDR4. Passmark benchmark score: 4,692 points. Launch price was $187.

Xeon X5667

The Xeon X5667 is manufactured by Intel. It was released in 16 March 2010 (15 years ago). It is based on the Westmere-EP (2010−2011) architecture. It features 4 cores and 8 threads. Base frequency is 3.06 GHz, with boost up to 3.46 GHz. L3 cache: 12 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1366. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 4,697 points. Launch price was $80.

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Processing Power

The Core i5-7400T packs 4 cores / 4 threads, matching the Xeon X5667's 4 cores. Boost clocks reach 3 GHz on the Core i5-7400T versus 3.46 GHz on the Xeon X5667 — a 14.2% clock advantage for the Xeon X5667 (base: 2.4 GHz vs 3.06 GHz). The Core i5-7400T uses the Kaby Lake (2016−2019) architecture (14 nm), while the Xeon X5667 uses Westmere-EP (2010−2011) (32 nm). In PassMark, the Core i5-7400T scores 4,692 against the Xeon X5667's 4,697 — a 0.1% lead for the Xeon X5667. L3 cache: 6 MB (total) on the Core i5-7400T vs 12 MB (total) on the Xeon X5667.

Feature	Core i5-7400T	Xeon X5667
Cores / Threads	4 / 4	4 / 8
Boost Clock	3 GHz	3.46 GHz+15%
Base Clock	2.4 GHz	3.06 GHz+28%
L3 Cache	6 MB (total)	12 MB (total)+100%
L2 Cache	256K (per core)	256 kB (per core)
Process	14 nm-56%	32 nm
Architecture	Kaby Lake (2016−2019)	Westmere-EP (2010−2011)
PassMark	4,692	4,697
Cinebench R23 Multi	3,334	—
Geekbench 6 Single	1,069	—
Geekbench 6 Multi	2,463	—

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Memory & Platform

The Core i5-7400T uses the LGA1151 socket (PCIe 3.0), while the Xeon X5667 uses LGA1366 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2400 on the Core i5-7400T versus DDR3-1333 on the Xeon X5667 — the Core i5-7400T supports 80% faster memory, which can translate to measurable gains in memory-sensitive workloads. Memory channels: 2 (Core i5-7400T) vs 3 (Xeon X5667). Chipset compatibility: B150,Q170,B250,Q250,H110,Q270,H170,Z170,H270,Z270 (Core i5-7400T) and Intel X58,Intel 5520 (Xeon X5667).

Feature	Core i5-7400T	Xeon X5667
Socket	LGA1151	LGA1366
PCIe Generation	PCIe 3.0+50%	PCIe 2.0
Max RAM Speed	DDR4-2400+80%	DDR3-1333
Max RAM Capacity	64 GB	—
RAM Channels	2	3+50%
ECC Support	No	Yes
PCIe Lanes	16	—

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Advanced Features

Virtualization support: Yes (Core i5-7400T) vs VT-x, VT-d, EPT (Xeon X5667). The Core i5-7400T includes integrated graphics (Intel HD Graphics 630), while the Xeon X5667 requires a dedicated GPU. Primary use case: Xeon X5667 targets Workstation. Direct competitor: Xeon X5667 rivals Core i7-980X.