Xeon D-1577 vs Xeon E-2276M

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 D-1577 vs Xeon E-2276M 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 D-1577 vs Xeon E-2276M: Pros, Cons & Final Verdict

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

Xeon D-1577

2016

Why buy it

Trade-offs

❌Lower PassMark (11,645 vs 11,654).
❌Smaller total L3 cache (1.5 MB vs 12 MB).

Xeon E-2276M

2019

Why buy it

✅+700% larger total L3 cache (12 MB vs 1.5 MB).

Trade-offs

❌Launch MSRP is still $939 MSRP, while Xeon D-1577 mostly shows up through inconsistent older-market listings.

Quick Answers

So, is Xeon E-2276M better than Xeon D-1577?

Yes. Xeon E-2276M is the better all-around CPU here. It gives you a 1.0% average FPS lead across 50 shared CPU game tests in our data, 0.1% 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-2276M is the better pick. According to our tests, it delivers 1.0% 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-2276M is the stronger fit. You are getting 0.1% better PassMark, backed by 6 cores and 12 threads. It also has the larger cache pool with 700% larger total L3 cache (12 MB vs 1.5 MB).

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

Xeon E-2276M is the better buy right now. Xeon E-2276M comes in at an unclear MSRP at $939 MSRP versus unclear MSRP, and it still gives you a 1.0% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (12.4 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Xeon E-2276M makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2019 vs 2016), 700% larger total L3 cache (12 MB vs 1.5 MB), and more multi-core headroom with 6 cores / 12 threads instead of 16/32. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Xeon D-1577 vs Xeon E-2276M Technical Specifications

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

Xeon D-1577

The Xeon D-1577 is manufactured by Intel. It was released in 24 February 2016 (9 years ago). It is based on the Broadwell (2015−2019) architecture. It features 16 cores and 32 threads. Base frequency is 1.3 GHz, with boost up to 2.1 GHz. L3 cache: 1.5 MB (per core). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: FCBGA1667. Thermal design power (TDP): 45 Watt. Memory support: DDR4, DDR3. Passmark benchmark score: 11,645 points. Launch price was $1,176.

Xeon E-2276M

The Xeon E-2276M is manufactured by Intel. It was released in 29 May 2019 (6 years ago). It is based on the Coffee Lake-H (2018−2019) architecture. It features 6 cores and 12 threads. Base frequency is 2.8 GHz, with boost up to 4.7 GHz. L3 cache: 12 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: BGA1440. Thermal design power (TDP): 45 Watt. Memory support: DDR4. Passmark benchmark score: 11,654 points. Launch price was $450.

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Processing Power

The Xeon D-1577 packs 16 cores / 32 threads, while the Xeon E-2276M offers 6 cores / 12 threads — the Xeon D-1577 has 10 more cores. Boost clocks reach 2.1 GHz on the Xeon D-1577 versus 4.7 GHz on the Xeon E-2276M — a 76.5% clock advantage for the Xeon E-2276M (base: 1.3 GHz vs 2.8 GHz). The Xeon D-1577 uses the Broadwell (2015−2019) architecture (14 nm), while the Xeon E-2276M uses Coffee Lake-H (2018−2019) (14 nm). In PassMark, the Xeon D-1577 scores 11,645 against the Xeon E-2276M's 11,654 — a 0.1% lead for the Xeon E-2276M. L3 cache: 1.5 MB (per core) on the Xeon D-1577 vs 12 MB (total) on the Xeon E-2276M.

Feature	Xeon D-1577	Xeon E-2276M
Cores / Threads	16 / 32+167%	6 / 12
Boost Clock	2.1 GHz	4.7 GHz+124%
Base Clock	1.3 GHz	2.8 GHz+115%
L3 Cache	1.5 MB (per core)	12 MB (total)+700%
L2 Cache	256K (per core)	256 kB (per core)
Process	14 nm	14 nm
Architecture	Broadwell (2015−2019)	Coffee Lake-H (2018−2019)
PassMark	11,645	11,654

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Memory & Platform

The Xeon D-1577 uses the FCBGA1667 socket (PCIe 3.0), while the Xeon E-2276M uses BGA1440 (PCIe 3.0) — making them incompatible on the same motherboard.