Core i5-6400T vs Xeon E5-1607 v2

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 i5-6400T vs Xeon E5-1607 v2 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 i5-6400T vs Xeon E5-1607 v2: Pros, Cons & Final Verdict

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

Core i5-6400T

2015

Why buy it

✅+2.5% higher PassMark.
✅Costs $58 less on MSRP ($192 MSRP vs $250 MSRP).
✅Delivers 33.4% more PassMark for each dollar spent, at 22.1 vs 16.6 PassMark/$ ($192 MSRP vs $250 MSRP).
✅Draws 1W instead of 130W, a 129W reduction.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon E5-1607 v2 across 50 shared CPU benchmark tests.
❌Smaller total L3 cache (6 MB vs 10 MB).

Xeon E5-1607 v2

2013

Why buy it

✅Better for gaming: +4.7% higher average FPS across 50 shared CPU benchmark tests.
✅+66.7% larger total L3 cache (10 MB vs 6 MB).

Trade-offs

❌Lower PassMark (4,141 vs 4,243).
❌Lower PassMark per dollar, at 16.6 vs 22.1 PassMark/$ ($250 MSRP vs $192 MSRP).
❌12900% higher power demand at 130W vs 1W.
❌No integrated graphics, while Core i5-6400T can still boot and troubleshoot without a discrete GPU.
❌No boxed cooler included, unlike Core i5-6400T.

Quick Answers

So, is Core i5-6400T better than Xeon E5-1607 v2?

Not really, because they are built for different jobs. Xeon E5-1607 v2 makes more sense for workstation-style multi-core throughput, while Core i5-6400T is the more practical desktop choice for gaming, platform cost, and everyday use.

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

For streaming, content creation, and heavier multitasking, Core i5-6400T is the stronger fit. You are getting 2.5% better PassMark, backed by 4 cores and 4 threads.

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

Core i5-6400T is the better buy right now. Core i5-6400T comes in $58 cheaper on MSRP at $192 MSRP versus $250 MSRP, and it still gives you 2.5% better PassMark. The compromise is that Xeon E5-1607 v2 is still the better pure gaming CPU with a 4.7% average FPS lead across 50 shared CPU game tests in our data. It is also 33.4% better value on MSRP (22.1 vs 16.6 PassMark/$), 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 i5-6400T makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2015 vs 2013) and more multi-core headroom with 4 cores / 4 threads instead of 4/4. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i5-6400T vs Xeon E5-1607 v2 Technical Specifications

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

Core i5-6400T

The Core i5-6400T is manufactured by Intel. It was released in 1 September 2015 (10 years ago). It is based on the Skylake (2015−2016) architecture. It features 4 cores and 4 threads. Base frequency is 2.2 GHz, with boost up to 2.8 GHz. L3 cache: 6 MB. L2 cache: 1 MB. Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 35 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 4,243 points. Launch price was $192.

Xeon E5-1607 v2

The Xeon E5-1607 v2 is manufactured by Intel. It was released in 2015-01-01. It is based on the Ivy Bridge-E (2013) architecture. It features 4 cores and 4 threads. Base frequency is 3 GHz, with boost up to 3 GHz. L3 cache: 10 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: LGA2011. Thermal design power (TDP): 130 Watt. Memory support: DDR3-800, DDR3-1066, DDR3-1333, DDR3-1600. Passmark benchmark score: 4,141 points. Launch price was $800.

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Processing Power

Both the Core i5-6400T and Xeon E5-1607 v2 share an identical 4-core/4-thread configuration. Boost clocks reach 2.8 GHz on the Core i5-6400T versus 3 GHz on the Xeon E5-1607 v2 — a 6.9% clock advantage for the Xeon E5-1607 v2 (base: 2.2 GHz vs 3 GHz). The Core i5-6400T uses the Skylake (2015−2016) architecture (14 nm), while the Xeon E5-1607 v2 uses Ivy Bridge-E (2013) (22 nm). In PassMark, the Core i5-6400T scores 4,243 against the Xeon E5-1607 v2's 4,141 — a 2.4% lead for the Core i5-6400T. L3 cache: 6 MB on the Core i5-6400T vs 10 MB (total) on the Xeon E5-1607 v2.

Feature	Core i5-6400T	Xeon E5-1607 v2
Cores / Threads	4 / 4	4 / 4
Boost Clock	2.8 GHz	3 GHz+7%
Base Clock	2.2 GHz	3 GHz+36%
L3 Cache	6 MB	10 MB (total)+67%
L2 Cache	1 MB	256K (per core)+25500%
Process	14 nm-36%	22 nm
Architecture	Skylake (2015−2016)	Ivy Bridge-E (2013)
PassMark	4,243+2%	4,141
Cinebench R23 Multi	2,200	—
Geekbench 6 Single	950	—
Geekbench 6 Multi	2,600	—

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Memory & Platform

The Core i5-6400T uses the LGA1151 socket (PCIe 3.0), while the Xeon E5-1607 v2 uses LGA2011 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Core i5-6400T	Xeon E5-1607 v2
Socket	LGA1151	LGA2011
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	DDR4-2133	—
Max RAM Capacity	64 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	16	—

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Advanced Features

Virtualization: VT-x, VT-d (Core i5-6400T) / not specified (Xeon E5-1607 v2). The Core i5-6400T includes integrated graphics (HD 530), while the Xeon E5-1607 v2 requires a dedicated GPU. Primary use case: Core i5-6400T targets Budget. Direct competitor: Core i5-6400T rivals Core i3-7100.

Feature	Core i5-6400T	Xeon E5-1607 v2
Integrated GPU	Yes	—
IGPU Model	HD 530	—
Unlocked	No	—
AVX-512	No	—
Virtualization	VT-x, VT-d	—
Target Use	Budget	—

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Value Analysis

At launch, the Core i5-6400T was priced at $192, while the Xeon E5-1607 v2 came in at $250. On launch pricing ($192 vs $250), Core i5-6400T was $58 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-6400T delivers 22.1 pts/$ vs 16.6 pts/$ for the Xeon E5-1607 v2 — making the Core i5-6400T the 28.6% better value option.

Feature	Core i5-6400T	Xeon E5-1607 v2
MSRP	$192-23%	$250
Performance per Dollar	22.1+33%	16.6
Release Date	2015	2013

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