Core i7-3920XM vs Xeon X5650

Intel

Core i7-3920XM

4 Cores8 Thrd55 WWMax: 3.8 GHz2012
Similar parts
·······
VS
Intel

Xeon X5650

6 Cores12 Thrd95 WWMax: 3.06 GHz2010
Similar parts
·······

Core i7-3920XM vs Xeon X5650 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.

Core i7-3920XM vs Xeon X5650 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.

Core i7-3920XM vs Xeon X5650: Pros, Cons & Final Verdict

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

Core i7-3920XM

2012

Why buy it

  • Draws 55W instead of 95W, a 40W reduction.
  • 100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
  • Integrated graphics onboard with HD Graphics 4000, while Xeon X5650 needs a discrete GPU.

Trade-offs

  • Lower PassMark (5,713 vs 5,742).
  • Smaller total L3 cache (8 MB vs 12 MB).
  • Less compelling for workstation-style loads than Xeon X5650, which brings 6 cores / 12 threads.

Xeon X5650

2010

Why buy it

  • +0.5% higher PassMark.
  • +50% larger total L3 cache (12 MB vs 8 MB).
  • Better for workstations and heavier parallel workloads: 6 cores / 12 threads.

Trade-offs

  • 72.7% higher power demand at 95W vs 55W.
  • No integrated graphics, while Core i7-3920XM can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core i7-3920XM better than Xeon X5650?
Not really, because they are built for different jobs. Xeon X5650 makes more sense for workstation-style multi-core throughput, while Core i7-3920XM 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, Xeon X5650 is the stronger fit. You are getting 0.5% better PassMark, backed by 6 cores and 12 threads. It also has the larger cache pool with 50% larger total L3 cache (12 MB vs 8 MB).
Which one is the smarter buy today, not just the cheaper CPU?
Core i7-3920XM still makes the most sense overall. Core i7-3920XM comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 1.5% average FPS lead across 50 shared CPU game tests in our data.
Which one is more future-proof for 2026 and beyond?
Core i7-3920XM makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2012 vs 2010). That makes it the safer long-term bet.

Core i7-3920XM vs Xeon X5650 Technical Specifications

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

Intel

Core i7-3920XM

The Core i7-3920XM is manufactured by Intel. It was released in 29 April 2012 (13 years ago). It is based on the Ivy Bridge (2012−2013) architecture. It features 4 cores and 8 threads. Base frequency is 2.9 GHz, with boost up to 3.8 GHz. L3 cache: 8 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: PGA988. Thermal design power (TDP): 55 Watt. Memory support: DDR3. Passmark benchmark score: 5,713 points. Launch price was $1,096.

Intel

Xeon X5650

The Xeon X5650 is manufactured by Intel. It was released in 16 March 2010 (15 years ago). It is based on the Westmere-EP (2010−2011) architecture. It features 6 cores and 12 threads. Base frequency is 2.66 GHz, with boost up to 3.06 GHz. L3 cache: 12 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1366. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 5,742 points. Launch price was $53.

Processing Power

The Core i7-3920XM packs 4 cores / 8 threads, while the Xeon X5650 offers 6 cores / 12 threads — the Xeon X5650 has 2 more cores. Boost clocks reach 3.8 GHz on the Core i7-3920XM versus 3.06 GHz on the Xeon X5650 — a 21.6% clock advantage for the Core i7-3920XM (base: 2.9 GHz vs 2.66 GHz). The Core i7-3920XM uses the Ivy Bridge (2012−2013) architecture (22 nm), while the Xeon X5650 uses Westmere-EP (2010−2011) (32 nm). In PassMark, the Core i7-3920XM scores 5,713 against the Xeon X5650's 5,742 — a 0.5% lead for the Xeon X5650. L3 cache: 8 MB (total) on the Core i7-3920XM vs 12 MB (total) on the Xeon X5650.

FeatureCore i7-3920XMXeon X5650
Cores / Threads
4 / 8
6 / 12+50%
Boost Clock
3.8 GHz+24%
3.06 GHz
Base Clock
2.9 GHz+9%
2.66 GHz
L3 Cache
8 MB (total)
12 MB (total)+50%
L2 Cache
256K (per core)
256 kB (per core)
Process
22 nm-31%
32 nm
Architecture
Ivy Bridge (2012−2013)
Westmere-EP (2010−2011)
PassMark
5,713
5,742
Geekbench 6 Single
686
🧠

Memory & Platform

The Core i7-3920XM uses the PGA988 socket (PCIe 3.0), while the Xeon X5650 uses LGA1366 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1600 on the Core i7-3920XM versus DDR3-1333 on the Xeon X5650 — the Core i7-3920XM supports 20% faster memory, which can translate to measurable gains in memory-sensitive workloads. Memory channels: 2 (Core i7-3920XM) vs 3 (Xeon X5650). Chipset compatibility: HM77,QM77 (Core i7-3920XM) and Intel X58,Intel 5520 (Xeon X5650).

FeatureCore i7-3920XMXeon X5650
Socket
PGA988
LGA1366
PCIe Generation
PCIe 3.0
PCIe 5.0+67%
Max RAM Speed
DDR3-1600+20%
DDR3-1333
Max RAM Capacity
32 GB
RAM Channels
2
3+50%
ECC Support
No
Yes
PCIe Lanes
16
🔧

Advanced Features

Only the Core i7-3920XM has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support VT-x, VT-d, EPT virtualization. The Core i7-3920XM includes integrated graphics (HD Graphics 4000), while the Xeon X5650 requires a dedicated GPU. Primary use case: Core i7-3920XM targets Extreme Performance Laptop, Xeon X5650 targets Workstation. Direct competitor: Core i7-3920XM rivals A10-5750M; Xeon X5650 rivals Core i7-980X.

FeatureCore i7-3920XMXeon X5650
Integrated GPU
Yes
No
IGPU Model
HD Graphics 4000
Unlocked
Yes
No
AVX-512
No
No
Virtualization
VT-x, VT-d, EPT
VT-x, VT-d, EPT
Target Use
Extreme Performance Laptop
Workstation