Athlon 3000G vs Xeon X5647

AMD

Athlon 3000G

2 Cores4 Thrd35 WWMax: 3.5 GHz2019
Similar parts
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VS
Intel

Xeon X5647

4 Cores8 Thrd130 WWMax: 3.2 GHz2011
Similar parts
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Athlon 3000G vs Xeon X5647 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.

Athlon 3000G 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.

Athlon 3000G 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.

Athlon 3000G

2019

Why buy it

  • +0.1% higher PassMark.
  • Draws 35W instead of 130W, a 95W reduction.
  • 100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
  • Integrated graphics onboard with Radeon Vega 3 Graphics, while Xeon X5647 needs a discrete GPU.
  • Includes a boxed cooler (true), unlike Xeon X5647.

Trade-offs

  • Worse for gaming: lower average FPS than Xeon X5647 across 50 shared CPU benchmark tests.
  • Smaller total L3 cache (4 MB vs 12 MB).
  • Less compelling for workstation-style loads than Xeon X5647, which brings 4 cores / 8 threads.
  • Launch MSRP is still $49 MSRP, while Xeon X5647 mostly shows up through inconsistent older-market listings.

Xeon X5647

2011

Why buy it

  • Better for gaming: +7.9% higher average FPS across 50 shared CPU benchmark tests.
  • +200% larger total L3 cache (12 MB vs 4 MB).
  • Better for workstations and heavier parallel workloads: 4 cores / 8 threads.

Trade-offs

  • Lower PassMark (4,441 vs 4,446).
  • 271.4% higher power demand at 130W vs 35W.
  • No integrated graphics, while Athlon 3000G can still boot and troubleshoot without a discrete GPU.
  • No boxed cooler included, unlike Athlon 3000G.

Quick Answers

So, is Athlon 3000G better than Xeon X5647?
Not really, because they are built for different jobs. Xeon X5647 makes more sense for workstation-style multi-core throughput, while Athlon 3000G 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, Athlon 3000G is the stronger fit. You are getting 0.1% better PassMark, backed by 2 cores and 4 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Athlon 3000G is the better buy right now. Athlon 3000G comes in at an unclear MSRP at $49 MSRP versus unclear MSRP, and it still gives you 0.1% better PassMark. The compromise is that Xeon X5647 is still the better pure gaming CPU with a 7.9% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (90.7 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.
Which one is more future-proof for 2026 and beyond?
Athlon 3000G makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2019 vs 2011) and more multi-core headroom with 2 cores / 4 threads instead of 4/8. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Athlon 3000G vs Xeon X5647 Technical Specifications

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

AMD

Athlon 3000G

The Athlon 3000G is manufactured by AMD. It was released in 21 November 2019 (6 years ago). It is based on the Zen+ (2018−2019) architecture. It features 2 cores and 4 threads. Base frequency is 3.5 GHz, with boost up to 3.5 GHz. L3 cache: 4 MB (total). L2 cache: 512K (per core). Built on 14 nm process technology. Socket: AM4. Thermal design power (TDP): 35 Watt. Memory support: DDR4 Dual-channel. Passmark benchmark score: 4,446 points. Launch price was $49.

Intel

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.

Processing Power

The Athlon 3000G packs 2 cores / 4 threads, while the Xeon X5647 offers 4 cores / 8 threads — the Xeon X5647 has 2 more cores. Boost clocks reach 3.5 GHz on the Athlon 3000G versus 3.2 GHz on the Xeon X5647 — a 9% clock advantage for the Athlon 3000G (base: 3.5 GHz vs 2.93 GHz). The Athlon 3000G uses the Zen+ (2018−2019) architecture (14 nm), while the Xeon X5647 uses Westmere-EP (2010−2011) (32 nm). In PassMark, the Athlon 3000G scores 4,446 against the Xeon X5647's 4,441 — a 0.1% lead for the Athlon 3000G. L3 cache: 4 MB (total) on the Athlon 3000G vs 12 MB (total) on the Xeon X5647.

FeatureAthlon 3000GXeon X5647
Cores / Threads
2 / 4
4 / 8+100%
Boost Clock
3.5 GHz+9%
3.2 GHz
Base Clock
3.5 GHz+19%
2.93 GHz
L3 Cache
4 MB (total)
12 MB (total)+200%
L2 Cache
512K (per core)+100%
256 kB (per core)
Process
14 nm-56%
32 nm
Architecture
Zen+ (2018−2019)
Westmere-EP (2010−2011)
PassMark
4,446
4,441
Cinebench R23 Multi
1,800
Geekbench 6 Single
956
Geekbench 6 Multi
1,970
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Memory & Platform

The Athlon 3000G uses the AM4 socket (PCIe 3.0), while the Xeon X5647 uses LGA1366 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 2666 on the Athlon 3000G versus DDR3-1066 on the Xeon X5647 — the Athlon 3000G supports 150.1% faster memory, which can translate to measurable gains in memory-sensitive workloads. Memory channels: 2 (Athlon 3000G) vs 3 (Xeon X5647). Chipset compatibility: AM4 (Athlon 3000G) and Intel X58,Intel 5520 (Xeon X5647).

FeatureAthlon 3000GXeon X5647
Socket
AM4
LGA1366
PCIe Generation
PCIe 3.0
PCIe 5.0+67%
Max RAM Speed
2666+150%
DDR3-1066
Max RAM Capacity
64
RAM Channels
2
3+50%
ECC Support
Yes
Yes
PCIe Lanes
16
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Advanced Features

Only the Athlon 3000G has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: true (Athlon 3000G) vs VT-x, VT-d (Xeon X5647). The Athlon 3000G includes integrated graphics (Radeon Vega 3 Graphics), while the Xeon X5647 requires a dedicated GPU. Primary use case: Xeon X5647 targets Workstation. Direct competitor: Athlon 3000G rivals Pentium Gold G6400; Xeon X5647 rivals Core i7-980X.

FeatureAthlon 3000GXeon X5647
Integrated GPU
Yes
No
IGPU Model
Radeon Vega 3 Graphics
Unlocked
Yes
No
AVX-512
No
No
Virtualization
true
VT-x, VT-d
Target Use
Workstation