Xeon Bronze 3104 vs Xeon X5647

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 Bronze 3104 vs Xeon X5647 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 Bronze 3104 vs Xeon X5647: Pros, Cons & Final Verdict

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

Xeon Bronze 3104

2017

Why buy it

✅Draws 85W instead of 130W, a 45W reduction.
✅100+% more PCIe lanes (48 vs 0) for storage and expansion-heavy builds.
✅AVX-512 support for select workstation, AI, and scientific workloads.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon X5647 across 50 shared CPU benchmark tests.
❌Lower PassMark (4,383 vs 4,441).
❌Smaller total L3 cache (8.3 MB vs 12 MB).

Xeon X5647

2011

Why buy it

✅Better for gaming: +12.0% higher average FPS across 50 shared CPU benchmark tests.
✅+45.5% larger total L3 cache (12 MB vs 8.3 MB).

Trade-offs

❌52.9% higher power demand at 130W vs 85W.
❌No AVX-512 support for niche heavy compute workloads where it can matter.

Quick Answers

So, is Xeon X5647 better than Xeon Bronze 3104?

Yes. Xeon X5647 is the better all-around CPU here. It gives you a 12.0% average FPS lead across 50 shared CPU game tests in our data and 1.3% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Xeon X5647 is the better pick. According to our tests, it delivers 12.0% 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 X5647 is the stronger fit. You are getting 1.3% better PassMark, backed by 4 cores and 8 threads. It also has the larger cache pool with 45.5% larger total L3 cache (12 MB vs 8.3 MB).

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

Xeon X5647 still makes the most sense overall. Xeon X5647 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 12.0% average FPS lead across 50 shared CPU game tests in our data.

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

Xeon Bronze 3104 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2017 vs 2011) and AVX-512 support for heavier modern compute workloads. That makes it the safer long-term bet.

Xeon Bronze 3104 vs Xeon X5647 Technical Specifications

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

Xeon Bronze 3104

The Xeon Bronze 3104 is manufactured by Intel. It was released in 11 July 2017 (8 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 6 cores and 6 threads. Base frequency is 1.7 GHz, with boost up to 1.7 GHz. L3 cache: 8.25 MB. L2 cache: 6 MB. Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 85 Watt. Memory support: DDR4-2133. Passmark benchmark score: 4,383 points. Launch price was $213.

Xeon X5647

The Xeon X5647 is manufactured by Intel. It was released in 14 February 2011 (14 years ago). It is based on the Westmere-EP (2010−2011) architecture. It features 4 cores and 8 threads. Base frequency is 2.93 GHz, with boost up to 3.2 GHz. L3 cache: 12 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1366. Thermal design power (TDP): 130 Watt. Memory support: DDR3. Passmark benchmark score: 4,441 points. Launch price was $175.

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Processing Power

The Xeon Bronze 3104 packs 6 cores / 6 threads, while the Xeon X5647 offers 4 cores / 8 threads — the Xeon Bronze 3104 has 2 more cores. Boost clocks reach 1.7 GHz on the Xeon Bronze 3104 versus 3.2 GHz on the Xeon X5647 — a 61.2% clock advantage for the Xeon X5647 (base: 1.7 GHz vs 2.93 GHz). The Xeon Bronze 3104 uses the Skylake (server) (2017−2018) architecture (14 nm), while the Xeon X5647 uses Westmere-EP (2010−2011) (32 nm). In PassMark, the Xeon Bronze 3104 scores 4,383 against the Xeon X5647's 4,441 — a 1.3% lead for the Xeon X5647. L3 cache: 8.25 MB on the Xeon Bronze 3104 vs 12 MB (total) on the Xeon X5647.

Feature	Xeon Bronze 3104	Xeon X5647
Cores / Threads	6 / 6+50%	4 / 8
Boost Clock	1.7 GHz	3.2 GHz+88%
Base Clock	1.7 GHz	2.93 GHz+72%
L3 Cache	8.25 MB	12 MB (total)+45%
L2 Cache	6 MB+2300%	256 kB (per core)
Process	14 nm-56%	32 nm
Architecture	Skylake (server) (2017−2018)	Westmere-EP (2010−2011)
PassMark	4,383	4,441+1%

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Memory & Platform

The Xeon Bronze 3104 uses the LGA3647 socket (PCIe 3.0), while the Xeon X5647 uses LGA1366 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 2133 on the Xeon Bronze 3104 versus DDR3-1066 on the Xeon X5647 — the Xeon Bronze 3104 supports 100.1% faster memory, which can translate to measurable gains in memory-sensitive workloads. Memory channels: 6 (Xeon Bronze 3104) vs 3 (Xeon X5647). Chipset compatibility: C621 (Xeon Bronze 3104) and Intel X58,Intel 5520 (Xeon X5647).

Feature	Xeon Bronze 3104	Xeon X5647
Socket	LGA3647	LGA1366
PCIe Generation	PCIe 3.0	PCIe 5.0+67%
Max RAM Speed	2133+100%	DDR3-1066
Max RAM Capacity	768	—
RAM Channels	6+100%	3
ECC Support	Yes	Yes
PCIe Lanes	48	—

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Advanced Features

Neither processor supports overclocking. Only the Xeon Bronze 3104 supports AVX-512 instructions — important for machine learning and scientific applications. Both support VT-x, VT-d virtualization. Primary use case: Xeon X5647 targets Workstation. Direct competitor: Xeon X5647 rivals Core i7-980X.