Table of Contents
The Xeon E5 2650 v4 is one of the most affordable and popular processors for LGA2011-3, often bundled with budget Chinese X99 boards. At launch in 2016, this model cost over $1000, and now you can pick one up on AliExpress for the price of a cup of coffee.
What can this 12-core server processor deliver in 2026? Let’s find out.
Specifications
| Model | Xeon e5 2650 v4 |
|---|---|
| Socket | LGA2011-3 |
| Release Date | Q1 2016 |
| Architecture | Broadwell-EP, 14 nm |
| Cores / Threads | 12 / 24 |
| Memory support | DDR4-2400, 4-channel |
| Base Frequency | 2200 MHz |
| Max Turbo Frequency | 2900 MHz (1-2 Cores) 2700 MHz (3 Cores) 2600 MHz (4 Cores) 2500 MHz (5-12 Cores) |
| Extensions & Features | MMX instructions SSE / Streaming SIMD Extensions SSE2 / Streaming SIMD Extensions 2 SSE3 / Streaming SIMD Extensions 3 SSSE3 / Supplemental Streaming SIMD Extensions 3 SSE4 / SSE4.1 + SSE4.2 / Streaming SIMD Extensions 4 AES / Advanced Encryption Standard instructions AVX / Advanced Vector Extensions AVX2 / Advanced Vector Extensions 2.0 BMI / BMI1 + BMI2 / Bit Manipulation instructions F16C / 16-bit Floating-Point conversion instructions FMA3 / 3-operand Fused Multiply-Add instructions EM64T / Extended Memory 64 technology / Intel 64 HT / Hyper-Threading technology VT-x / Virtualization technology VT-d / Virtualization for directed I/O TBT 2.0 / Turbo Boost technology 2.0 TSX / Transactional Synchronization Extensions NX / XD / Execute disable bit ? TXT / Trusted Execution technology Enhanced Intel SpeedStep technology |
| L3 Cache | 30 Mb |
| PCIe Lanes | 40, Gen 3.0 |
| TDP | 105 W |
| Maximum operating temperature | 80°C |
| Multiplier | Locked |
| Integrated Graphics | None |
| CPUID | 0x406F1 |
| Approximate Price |
- Many cores, solid multi-threaded performance
- Runs very cool; doesn’t need an expensive air cooler
- Low power consumption; runs perfectly even on ultra-budget motherboards
- Very low price
Main disadvantages:
- Aging architecture with low IPC compared to modern CPUs
- Very low clock frequency
- Maximum memory frequency of only 2400 MHz (though it supports quad-channel)
Overclocking Capability
The CPU has a locked multiplier, meaning traditional overclocking is completely off the table. Only some branded boards from the LGA2011-3 heyday can slightly raise the bus frequency, increasing it by 2–3%, but this minor bump won’t give you any noticeable real-world performance gains.

Note that Turbo Boost Unlock is only possible on Haswell (V3) processors.
Performance and Tests
Synthetic test results are predictable: solid multi-threaded performance but mediocre single-core metrics.
CPU-Z
Cinebench R15, R20, R23
Passmark
3DMark Time Spy
Similar models in terms of multi-threaded performance level:
| Model | Cores / Threads | Cinebench R15 | Cinebench R20 | Cinebench R23 | CPU-Z Multi |
|---|---|---|---|---|---|
| Intel Xeon E5-2650 v4 | 12c / 24t | ~1550 | ~3640 | ~9400 | ~4700 |
| AMD Ryzen 5 3600 | 6c / 12t | ~1550 | ~3600 | ~9200 | ~4200 |
| AMD Ryzen 5 5500 | 6c / 12t | ~1600 | ~3800 | ~9800 | ~4600 |
| Intel Core i7-8700K | 6c / 12t | ~1450 | ~3500 | ~9200 | ~4000 |
Gaming Performance
The Xeon E5 2650 v4 is clearly not a gaming CPU, so don’t expect it to deliver smooth frame rates across all modern titles. The low clock speed will cause noticeable frame drops in CPU-intensive games. That said, it easily handles well-optimized multi-threaded games and most esports titles.
- Games up to 2020: 75% run well (60+ FPS), 15% are playable (40-60 FPS), 10% are unplayable (severe frame drops, micro-stutters).
- Games 2020–2026: 50% run well (60+ FPS), 30% are playable (40-60 FPS), 20% are unplayable (severe frame drops, micro-stutters).
If you’re choosing a very budget gaming solution, our advice is to stretch your budget slightly and grab a higher-clocked CPU, like the Xeon E5 2680 v4.
Best GPU Pairings for FullHD and 1440p: Nvidia 1070 (Ti), 1660 (Ti/Super), 2060 (Super), 3060 (Ti); AMD RX 580, RX 5600 (XT), RX 5700 (XT), RX 6600 (XT).
Performance with GTX 1080:
Performance with RTX 2060:
Close Alternatives
- Xeon E5 2670 v3 / 2680 v3 — 12-core processors from the previous generation. Thanks to Turbo Boost Unlock (TBU), they offer better performance, but they run hotter and are more demanding on the motherboard’s VRM.
- Xeon E5 2660 v4 — 14/28, 2.6 GHz all-core, TDP 105 W. A few more cores, a slight clock speed bump, and the same TDP.
- Xeon E5 2680 v4 — 14/28, 2.9 GHz all-core, TDP 120 W. Even higher frequency, but already higher TDP. Reasonable maximum for budget boards.
See the complete list of processors for socket 2011-3 here.
Revisions
Besides the retail version, there are also engineering samples (ES) of the E5 2650 v4. They can be distinguished by the S-spec code engraved on the processor’s IHS. The retail version has the code SR2N3. The revision can also be determined using the HWiNFO utility.

| S-spec Code | Stepping | Version |
| QK8Y | M0 | QS/ES |
| SR2N3 | M0 | Retail (Final) |
Frequently Asked Questions
Is undervolting possible?
Only for QS models; in final retail versions, undervolting is locked.
Is there solder or thermal paste under the IHS?
There’s solder under the heat spreader, just like the rest of the Xeon E5 v3/v4 lineup.
Is the processor compatible with Win11?
No, the Xeon E5-2650 v4 is not officially supported by Windows 11, but it works fine if you bypass the CPU and TPM 2.0 requirements.






