Xeon E5-2696 V3 vs Xeon E7-8891 v3

Intel

Xeon E5-2696 V3

18 Cores36 Thrd145 WWMax: 3.8 GHz2014
Similar parts
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VS
Intel

Xeon E7-8891 v3

10 Cores20 Thrd165 WWMax: 3.5 GHz2015
Similar parts
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Xeon E5-2696 V3 vs Xeon E7-8891 v3 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.

Xeon E5-2696 V3 vs Xeon E7-8891 v3 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.

Xeon E5-2696 V3 vs Xeon E7-8891 v3: Pros, Cons & Final Verdict

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

Xeon E5-2696 V3

2014

Why buy it

  • Draws 145W instead of 165W, a 20W reduction.

Trade-offs

  • Worse for gaming: lower average FPS than Xeon E7-8891 v3 across 50 shared CPU benchmark tests.
  • Lower PassMark (21,435 vs 21,615).

Xeon E7-8891 v3

2015

Why buy it

  • Better for gaming: +4.9% higher average FPS across 50 shared CPU benchmark tests.
  • 100+% more PCIe lanes (32 vs 0) for storage and expansion-heavy builds.

Trade-offs

  • Launch MSRP is still $6,841 MSRP, while Xeon E5-2696 V3 mostly shows up through inconsistent older-market listings.

Quick Answers

So, is Xeon E7-8891 v3 better than Xeon E5-2696 V3?
Yes. Xeon E7-8891 v3 is the better all-around CPU here. It gives you a 4.9% average FPS lead across 50 shared CPU game tests in our data, 0.8% better PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.
Which one is better for gaming?
If gaming is the priority, Xeon E7-8891 v3 is the better pick. According to our tests, it delivers 4.9% 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 E7-8891 v3 is the stronger fit. You are getting 0.8% better PassMark, backed by 10 cores and 20 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Xeon E7-8891 v3 is the better buy right now. Xeon E7-8891 v3 comes in at an unclear MSRP at $6,841 MSRP versus unclear MSRP, and it still gives you a 4.9% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (3.2 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.
Which one is more future-proof for 2026 and beyond?
Xeon E7-8891 v3 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2015 vs 2014) and more multi-core headroom with 10 cores / 20 threads instead of 18/36. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Xeon E5-2696 V3 vs Xeon E7-8891 v3 Technical Specifications

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

Intel

Xeon E5-2696 V3

The Xeon E5-2696 V3 is manufactured by Intel. It was released in 2015-01-01. It is based on the Haswell-EP (2014−2015) architecture. It features 18 cores and 36 threads. Base frequency is 2.3 GHz, with boost up to 3.8 GHz. L3 cache: 45 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: LGA2011-3. Thermal design power (TDP): 145 Watt. Memory support: DDR3, DDR4 2133 MHz Quad-channel. Passmark benchmark score: 21,435 points. Launch price was $800.

Intel

Xeon E7-8891 v3

The Xeon E7-8891 v3 is manufactured by Intel. It was released in 2015-01-01. It is based on the Haswell-EX (2015) architecture. It features 10 cores and 20 threads. Base frequency is 2.8 GHz, with boost up to 3.5 GHz. L3 cache: 45 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: LGA2011. Thermal design power (TDP): 165 Watt. Memory support: DDR4-1333/1600/1866, DDR3-1066/1333/1600. Passmark benchmark score: 21,615 points. Launch price was $800.

Processing Power

The Xeon E5-2696 V3 packs 18 cores / 36 threads, while the Xeon E7-8891 v3 offers 10 cores / 20 threads — the Xeon E5-2696 V3 has 8 more cores. Boost clocks reach 3.8 GHz on the Xeon E5-2696 V3 versus 3.5 GHz on the Xeon E7-8891 v3 — a 8.2% clock advantage for the Xeon E5-2696 V3 (base: 2.3 GHz vs 2.8 GHz). The Xeon E5-2696 V3 uses the Haswell-EP (2014−2015) architecture (22 nm), while the Xeon E7-8891 v3 uses Haswell-EX (2015) (22 nm). In PassMark, the Xeon E5-2696 V3 scores 21,435 against the Xeon E7-8891 v3's 21,615 — a 0.8% lead for the Xeon E7-8891 v3. Both processors carry 45 MB (total) of L3 cache.

FeatureXeon E5-2696 V3Xeon E7-8891 v3
Cores / Threads
18 / 36+80%
10 / 20
Boost Clock
3.8 GHz+9%
3.5 GHz
Base Clock
2.3 GHz
2.8 GHz+22%
L3 Cache
45 MB (total)
45 MB (total)
L2 Cache
256K (per core)
256K (per core)
Process
22 nm
22 nm
Architecture
Haswell-EP (2014−2015)
Haswell-EX (2015)
PassMark
21,435
21,615
Geekbench 6 Single
900
Geekbench 6 Multi
9,500
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Memory & Platform

The Xeon E5-2696 V3 uses the LGA2011-3 socket (PCIe 3.0), while the Xeon E7-8891 v3 uses LGA2011 (PCIe 3.0) — making them incompatible on the same motherboard.

FeatureXeon E5-2696 V3Xeon E7-8891 v3
Socket
LGA2011-3
LGA2011
PCIe Generation
PCIe 3.0
PCIe 3.0
Max RAM Speed
DDR4-1866
Max RAM Capacity
1536 GB
RAM Channels
4
ECC Support
Yes
PCIe Lanes
32
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Advanced Features

Virtualization: not specified (Xeon E5-2696 V3) / Yes (Xeon E7-8891 v3).

FeatureXeon E5-2696 V3Xeon E7-8891 v3
Integrated GPU
No
AVX-512
No
Virtualization
Yes