Xeon Gold 6126

Details and Benchmarks for Intel Xeon Gold 6126

Sysbuilds Alpha Stage!

Please take all results with a big grain of salt. Sysbuilds is in alpha stage at the moment which can lead to wrong data, strange counting errors, silly results and more. This site is under active development.

Benchmark Results

Combined benchmark scores based on multiple data points, giving a quick overview of this processor's performance.

Overall Score

Overall score for Xeon Gold 6126 based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

5,464 Rank: 509
Rank Name Score Visual
505 Xeon Platinum 8270 5,467
+0.1%
506 Xeon E5-1650 v4 5,467
+0.1%
507 Ryzen 5 PRO 4650GE 5,466
+0%
508 Core i7-8809G 5,465
+0%
509 Xeon Gold 6126 5,464
510 Core i7-5930K 5,464
+0%
511 Core i5-8500B 5,462
+-0%
512 Core i7-10870H 5,460
-0.1%
513 Core i5-8400 5,459
-0.1%
514 Ryzen 3 5400U 5,459
-0.1%

View full ranking →

Multicore Score

Multicore performance score for Xeon Gold 6126 based on multi-threaded benchmark results.

5,621 Rank: 344
Rank Name Score Visual
340 Ryzen 5 5600G 5,645
+0.4%
341 Xeon W-1350P 5,643
+0.4%
342 Ryzen 7 3800X 5,634
+0.2%
343 Ryzen 5 5600X 5,629
+0.1%
344 Xeon Gold 6126 5,621
345 Xeon W-1350 5,621
+0%
346 Xeon w3-2425 5,619
+-0%
347 Ryzen Z1 5,618
-0.1%
348 Core i7-9800X 5,617
-0.1%
349 Ryzen 7 7735U 5,616
-0.1%

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Singlecore Score

Single-core performance score for Xeon Gold 6126 based on single-threaded benchmark results.

5,360 Rank: 680
Rank Name Score Visual
676 Xeon D-2166NT 5,364
+0.1%
677 Pentium G4500 5,363
+0.1%
678 Ryzen 3 PRO 3200G 5,362
+0%
679 Xeon Gold 6248 5,361
+0%
680 Xeon Gold 6126 5,360
681 FX-8310 5,359
+-0%
682 Core i3-1115G4 5,359
+-0%
683 Core i7-7820HQ 5,358
+-0%
684 Ryzen 3 1200 5,358
+-0%
685 Core i5-7267U 5,356
-0.1%

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Workload Scores

Performance scores grouped by workload type, normalized and aggregated from multiple raw benchmark results.

Number Crunching

Aggregated score for Xeon Gold 6126 based on integer math, floating point math, and prime number computation benchmarks.

5,127 Rank: 315
Rank Name Score Visual
311 Core i5-12400F 5,130
+0.1%
312 Ryzen 7 7735U 5,130
+0.1%
313 Xeon W-2150B 5,128
+0%
314 Xeon Gold 5120 5,128
+0%
315 Xeon Gold 6126 5,127
316 Xeon E5-4660 v4 5,127
+0%
317 Core i7-6950X 5,125
+-0%
318 Xeon Gold 5120T 5,124
-0.1%
319 Xeon Gold 5315Y 5,114
-0.3%
320 Xeon E5-2689 v4 5,111
-0.3%

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Data Processing

Aggregated score for Xeon Gold 6126 based on data encryption, data compression, and string sorting benchmarks.

5,195 Rank: 320
Rank Name Score Visual
316 Ryzen 5 5600 5,209
+0.3%
317 Ryzen 7 PRO 1700X 5,206
+0.2%
318 Xeon Gold 5120T 5,205
+0.2%
319 Ryzen 7 1700X 5,199
+0.1%
320 Xeon Gold 6126 5,195
321 Xeon E-2386G 5,195
+0%
322 Ryzen 5 5600G 5,194
+-0%
323 Core i7-10700K 5,190
-0.1%
324 Xeon Gold 5120 5,189
-0.1%
325 Xeon E5-2680 v4 5,188
-0.1%

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Physics & Compute

Aggregated score for Xeon Gold 6126 based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

5,169 Rank: 302
Rank Name Score Visual
298 Xeon W-1290E 5,174
+0.1%
299 Ryzen 7 7735HS 5,173
+0.1%
300 Core i9-9900KS 5,170
+0%
301 Ryzen 7 PRO 5750G 5,170
+0%
302 Xeon Gold 6126 5,169
303 Ryzen 7 6800HS 5,169
+0%
304 Xeon Gold 5120T 5,167
+-0%
305 Xeon W-2140B 5,165
-0.1%
306 Core i5-12400F 5,165
-0.1%
307 Xeon Silver 4309Y 5,160
-0.2%

View full ranking →

Xeon Gold 6126 Details

Built on Intel's Skylake SP microarchitecture at a 14 nm process node, the Xeon Gold 6126 is a server-grade processor designed for high-performance computing workloads. Released several years ago, this CPU is now considered an older device in the rapidly evolving landscape of data center and enterprise processors. Despite its age, it remains relevant in certain professional environments due to its robust feature set and strong multicore performance. The processor is built for Intel's Purley platform and uses the FCLGA-3647 socket, a standard for many high-end server motherboards. Its 12 cores and 24 threads are supported by a base clock of 2.6 GHz and a single-core turbo frequency of up to 3.7 GHz, making it capable of handling multi-threaded applications with efficiency. The chip is fabricated using CMOS technology and features a 125 W TDP, indicating it is engineered for sustained performance under heavy load, though it may not be the most power-efficient option in modern server racks.

The Xeon Gold 6126 boasts a substantial cache hierarchy, with 0.75 MiB of L1 cache split evenly between instruction and data, 12 MiB of L2 cache, and a large 19.25 MiB L3 cache. This memory hierarchy supports fast access to frequently used data and instructions, which is essential for server applications involving databases, virtualization, and high-throughput computing. The processor supports up to 768 GiB of DDR4-2666 memory across six channels, delivering a maximum memory bandwidth of 119.21 GiB/s. It also supports up to 48 PCIe 3.0 lanes, allowing for extensive expansion with high-speed storage and networking devices. These capabilities make it a versatile choice for server and workstation environments where scalability and memory throughput are critical.

In terms of integrated features, the Xeon Gold 6126 supports a wide array of technologies, including AVX-512, Intel Turbo Boost 2.0, Enhanced SpeedStep Technology, and Intel VT-x and VT-d virtualization extensions. It also includes ECC memory support, Intel vPro for enterprise management, and Intel Trusted Execution Technology for enhanced security. The processor supports simultaneous multithreading, allowing it to handle multiple threads per core, which contributes to its strong performance in multi-threaded benchmarks. However, it does not include integrated graphics, as is typical for server-focused CPUs.

Benchmark results highlight the Xeon Gold 6126's strengths and weaknesses. In the Passmark overall score, it achieves 5,464, ranking #509 of 2,060 processors, with a single-core score of 5,360 (#680) and a multicore score of 5,621 (#344). While its single-core performance places it behind many modern consumer and enthusiast processors, its multicore capabilities allow it to compete with high-end desktop CPUs such as the Ryzen 5 5600X and Ryzen 7 3800X. This suggests that the Xeon Gold 6126 is most effective in workloads that can leverage its 12 cores and 24 threads, such as rendering, scientific computing, and virtualization. However, it trails significantly behind the top-tier processors in the market, such as the Ryzen Threadripper PRO 9995WX and Core Ultra 9 285K, which achieve scores above 9,000 and 8,500, respectively.

As of March 2026, the Xeon Gold 6126 is best suited for legacy server environments or small to medium-sized data centers where cost-effective, reliable performance is more important than cutting-edge speed. Its strong multicore performance, ECC memory support, and enterprise-grade features make it a solid choice for businesses needing stable, scalable computing solutions. However, for users requiring the latest in performance or energy efficiency, newer processors from both Intel and AMD offer superior capabilities. The Xeon Gold 6126 remains a testament to Intel’s server architecture, but its position in the market has diminished as newer generations have emerged.
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Intel Xeon Gold 6126

Main Specifications

Designer: Intel
Name: Xeon Gold 6126
Family: Xeon
Series: 6100
Model Number: 6126
Cores: 12
Threads: 24
Base Frequency: 2600 MHz
Turbo Frequency (1 core): 3700 MHz
Clock Multiplier: 26x (locked)
Microarchitecture: Skylake
Core Name: Skylake
Core Family: 6
Socket: Socket P and LGA-3647
Package: FCLGA-3647
Chipset: Lewisburg
Target Segment: Server
Max CPUs: 4
TDP: 125 W
Release Price: $1,776.00

Cache Specifications

L1 Cache: 768 KiB
L1 Instruction Cache: 384 KiB (8-way set associative)
L1 Data Cache: 384 KiB (8-way set associative)
L2 Cache: 12 MiB (16-way set associative)
L3 Cache: 19.25 MiB (11-way set associative)

Memory Specifications

Supported Memory Type: DDR4-2666
Memory Channels: 6
Maximum Memory: 768 GB
Maximum Bandwidth: 119.21 GB/s
ECC Support: Yes

Physical Specifications

Process: 14 nm
Manufacturer: Intel
Technology: CMOS
Word Size: 64-bit
ISA: x86-64 (x86)

CPU Features

MMX EMMX SSE SSE2 SSE3 SSSE3 SSE4.1 SSE4.2 AVX AVX2 ABM BMI1 BMI2 FMA3 AES RdRand ADX CLMUL F16C x86-16 x86-32 x86-64 Real Protected SMM FPU NX HT TBT 2.0 EIST SST TXT vPro VT-x VT-d EPT SGX Secure Key IPT AVX-512 AVX512F AVX512CD AVX512BW AVX512DQ AVX512VL TSX VMD Flex Memory NM KPT PTT MBE Ctrl Run Sure Node Ctrlr MWT ISRT
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