Xeon E-2146G vs Xeon E5-2676 V3

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 E-2146G vs Xeon E5-2676 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 E-2146G vs Xeon E5-2676 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 E-2146G

2018

Why buy it

✅Better for gaming: +3.3% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 80W instead of 120W, a 40W reduction.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with UHD Graphics P630, while Xeon E5-2676 V3 needs a discrete GPU.
✅Includes a boxed cooler (Yes), unlike Xeon E5-2676 V3.

Trade-offs

❌Smaller total L3 cache (12 MB vs 30 MB).

Xeon E5-2676 V3

2015

Why buy it

✅+150% larger total L3 cache (30 MB vs 12 MB).

Trade-offs

❌Worse for gaming: lower average FPS than Xeon E-2146G across 50 shared CPU benchmark tests.
❌Lower PassMark (13,178 vs 13,240).
❌Launch MSRP is still $1,800 MSRP, while Xeon E-2146G mostly shows up through inconsistent older-market listings.
❌50% higher power demand at 120W vs 80W.
❌No integrated graphics, while Xeon E-2146G can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Xeon E-2146G better than Xeon E5-2676 V3?

Yes. Xeon E-2146G is the better all-around CPU here. It gives you a 3.3% average FPS lead across 50 shared CPU game tests in our data, 0.5% 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 E-2146G is the better pick. According to our tests, it delivers 3.3% 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 E-2146G is the stronger fit. You are getting 0.5% better PassMark, backed by 6 cores and 12 threads.

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

Xeon E-2146G is still the faster CPU overall, but Xeon E5-2676 V3 is easier to justify if budget matters more than peak performance. Xeon E-2146G comes in at an unclear MSRP at unclear MSRP versus $1,800 MSRP, and it still gives you a 3.3% average FPS lead across 50 shared CPU game tests in our data. Xeon E5-2676 V3 is also 100.0% better value on MSRP (7.3 vs 0.0 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.

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

Xeon E-2146G makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2018 vs 2015) and more multi-core headroom with 6 cores / 12 threads instead of 12/24. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Xeon E-2146G vs Xeon E5-2676 V3 Technical Specifications

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

Xeon E-2146G

The Xeon E-2146G is manufactured by Intel. It was released in 12 July 2018 (7 years ago). It is based on the Coffee Lake-S WS (2018−2019) architecture. It features 6 cores and 12 threads. Base frequency is 3.5 GHz, with boost up to 4.5 GHz. L3 cache: 12 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 80 Watt. Memory support: DDR4-2666. Passmark benchmark score: 13,240 points. Launch price was $317.

Xeon E5-2676 V3

The Xeon E5-2676 V3 is manufactured by Intel. It was released in 2015-01-01. It is based on the Haswell-EP (2014−2015) architecture. It features 12 cores and 24 threads. Base frequency is 2.4 GHz, with boost up to 3 GHz. L3 cache: 30 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: LGA2011-3. Thermal design power (TDP): 120 Watt. Memory support: DDR3, DDR4 2133 MHz Quad-channel. Passmark benchmark score: 13,178 points. Launch price was $800.

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Processing Power

The Xeon E-2146G packs 6 cores / 12 threads, while the Xeon E5-2676 V3 offers 12 cores / 24 threads — the Xeon E5-2676 V3 has 6 more cores. Boost clocks reach 4.5 GHz on the Xeon E-2146G versus 3 GHz on the Xeon E5-2676 V3 — a 40% clock advantage for the Xeon E-2146G (base: 3.5 GHz vs 2.4 GHz). The Xeon E-2146G uses the Coffee Lake-S WS (2018−2019) architecture (14 nm), while the Xeon E5-2676 V3 uses Haswell-EP (2014−2015) (22 nm). In PassMark, the Xeon E-2146G scores 13,240 against the Xeon E5-2676 V3's 13,178 — a 0.5% lead for the Xeon E-2146G. L3 cache: 12 MB (total) on the Xeon E-2146G vs 30 MB (total) on the Xeon E5-2676 V3.

Feature	Xeon E-2146G	Xeon E5-2676 V3
Cores / Threads	6 / 12	12 / 24+100%
Boost Clock	4.5 GHz+50%	3 GHz
Base Clock	3.5 GHz+46%	2.4 GHz
L3 Cache	12 MB (total)	30 MB (total)+150%
L2 Cache	256 kB (per core)	256K (per core)
Process	14 nm-36%	22 nm
Architecture	Coffee Lake-S WS (2018−2019)	Haswell-EP (2014−2015)
PassMark	13,240	13,178
Geekbench 6 Single	1,557	—
Geekbench 6 Multi	6,385	—

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Memory & Platform

The Xeon E-2146G uses the LGA1151 socket (PCIe 3.0), while the Xeon E5-2676 V3 uses LGA2011-3 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Xeon E-2146G	Xeon E5-2676 V3
Socket	LGA1151	LGA2011-3
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	DDR4-2666	—
Max RAM Capacity	128 GB	—
RAM Channels	2	—
ECC Support	Yes	—
PCIe Lanes	16	—

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Advanced Features

Virtualization: Yes (Xeon E-2146G) / not specified (Xeon E5-2676 V3). The Xeon E-2146G includes integrated graphics (UHD Graphics P630), while the Xeon E5-2676 V3 requires a dedicated GPU.