Core i9-9990XE

Details and Benchmarks for Intel Core i9-9990XE

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 Core i9-9990XE based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

7,082 Rank: 58
Rank Name Score Visual
54 EPYC 7552 7,165
+1.2%
55 Ryzen 5 9600X 7,156
+1%
56 Ryzen Threadripper PRO 5975WX 7,122
+0.6%
57 Ryzen 9 7845HX 7,085
+0%
58 Core i9-9990XE 7,082
59 Core i9-13900HX 7,079
+-0%
60 Xeon w7-2475X 7,070
-0.2%
61 Ryzen 7 7700X 7,062
-0.3%
62 Core Ultra 9 285H 7,061
-0.3%
63 Core i9-12900F 7,053
-0.4%

View full ranking →

Multicore Score

Multicore performance score for Core i9-9990XE based on multi-threaded benchmark results.

7,662 Rank: 49
Rank Name Score Visual
45 Xeon w9-3475X 7,719
+0.7%
46 Ryzen 9 9900X3D 7,707
+0.6%
47 Xeon Gold 6442Y 7,706
+0.6%
48 Xeon w7-3465X 7,700
+0.5%
49 Core i9-9990XE 7,662
50 Ryzen 9 9900X 7,658
-0.1%
51 Ryzen AI Max+ 395 7,658
-0.1%
52 Ryzen Threadripper 3970X 7,645
-0.2%
53 Ryzen 9 7945HX3D 7,641
-0.3%
54 Core i9-7980XE 7,633
-0.4%

View full ranking →

Singlecore Score

Single-core performance score for Core i9-9990XE based on single-threaded benchmark results.

6,696 Rank: 85
Rank Name Score Visual
81 Xeon w7-2475X 6,757
+0.9%
82 Xeon W-1390P 6,744
+0.7%
83 Ryzen 9 7940HS 6,725
+0.4%
84 Ryzen 9 8945HS 6,708
+0.2%
85 Core i9-9990XE 6,696
86 Xeon W-1350P 6,674
-0.3%
87 Ryzen AI 7 350 6,670
-0.4%
88 Xeon E-2386G 6,667
-0.4%
89 Xeon E-2388G 6,656
-0.6%
90 Ryzen 9 PRO 5945 6,656
-0.6%

View full ranking →

Workload Scores

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

Number Crunching

Aggregated score for Core i9-9990XE based on integer math, floating point math, and prime number computation benchmarks.

5,549 Rank: 167
Rank Name Score Visual
163 Xeon W-3245M 5,567
+0.3%
164 Ryzen 5 7600X 5,564
+0.3%
165 Ryzen 7 5700X3D 5,562
+0.2%
166 Core i9-12900T 5,562
+0.2%
167 Core i9-9990XE 5,549
168 Xeon W-3245 5,544
-0.1%
169 Core Ultra 9 185H 5,543
-0.1%
170 Xeon Gold 6252 5,532
-0.3%
171 EPYC 7401P 5,531
-0.3%
172 EPYC 7282 5,528
-0.4%

View full ranking →

Data Processing

Aggregated score for Core i9-9990XE based on data encryption, data compression, and string sorting benchmarks.

5,715 Rank: 160
Rank Name Score Visual
156 Xeon Gold 6154 5,726
+0.2%
157 Xeon Gold 6210U 5,723
+0.1%
158 Xeon W-3245M 5,720
+0.1%
159 Ryzen 7 9700X 5,720
+0.1%
160 Core i9-9990XE 5,715
161 Core i9-12900 5,693
-0.4%
162 Xeon E5-2699A v4 5,692
-0.4%
163 Ryzen 7 8700G 5,678
-0.6%
164 Xeon W-2191B 5,669
-0.8%
165 Ryzen Threadripper 1920X 5,669
-0.8%

View full ranking →

Physics & Compute

Aggregated score for Core i9-9990XE based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

5,655 Rank: 148
Rank Name Score Visual
144 Xeon Gold 6230 5,663
+0.1%
145 Ryzen 5 9600X 5,662
+0.1%
146 Xeon W-3245M 5,657
+0%
147 Ryzen 7 PRO 7745 5,657
+0%
148 Core i9-9990XE 5,655
149 Core i9-7960X 5,653
+-0%
150 Core i9-9940X 5,650
-0.1%
151 EPYC 7601 5,650
-0.1%
152 Core Ultra 7 255H 5,649
-0.1%
153 Xeon W-2195 5,640
-0.3%

View full ranking →

Core i9-9990XE Details

Built on Intel's Skylake X Refresh microarchitecture and manufactured using a 14 nm process, the Core i9-9990XE is a high-end desktop processor launched in October 2018. As of March 2026, it is considered an older platform, but its performance and design reflect the peak of Intel's workstation-focused processor development during that era. Designed for demanding workloads, the i9-9990XE is part of the Core i9 Extreme lineup, targeting enthusiasts and professionals who require extreme multi-threaded performance and high clock speeds. The processor is socketed in the FCLGA-2066 package and operates on the Socket R4 platform, requiring a compatible chipset such as Lewisburg.

The Core i9-9990XE features 14 cores and 28 threads, enabled by Intel's Hyper-Threading technology, allowing it to handle complex, parallelized workloads with efficiency. Base clock speed is listed at 4.0 GHz, with a turbo frequency of up to 5.0 GHz, depending on the number of active cores and thermal conditions. This high clock speed, combined with a large L3 cache of 19.25 MiB and 14 MiB of L2 cache, ensures excellent data throughput and latency performance. The processor also includes 0.438 MiB of L1 cache for both instructions and data, split into 8-way associative caches, contributing to its strong single-core performance.

With a TDP of 255 W, the i9-9990XE is a power-hungry component, necessitating robust cooling solutions such as high-performance air coolers or liquid cooling systems. It supports quad-channel DDR4-2666 memory with a maximum capacity of 131 GB and a peak memory bandwidth of 85.3 GB/s, although the system memory bandwidth is listed at 79.47 GiB/s due to architectural and interface constraints. The CPU uses a PCI Express 3.0 interface with up to 44 lanes available directly from the CPU, enabling high-bandwidth connections for storage and expansion cards.

The Core i9-9990XE lacks integrated graphics, requiring a discrete GPU for visual output. However, it supports a wide range of advanced instruction sets, including AVX-512, AVX2, AVX, SSE, and AES-NI, making it well-suited for scientific computing, 3D rendering, and encryption tasks. It also includes Intel's Turbo Boost Max Technology 3.0, which dynamically identifies the best cores and pushes them to higher frequencies when needed, further enhancing performance in workload-specific scenarios.

In benchmark testing, the Core i9-9990XE achieves an Overall Score of 7082, ranking #58 out of 2060 processors, with a Singlecore Score of 6696 (#85) and a Multicore Score of 7662 (#49). These results place it among the top-tier desktop CPUs of its time, competing closely with high-end Xeon and Ryzen Threadripper processors. While it trails behind newer offerings like the Ryzen 9 9950X3D or Core Ultra 9 285K, its multicore performance remains competitive, especially in applications that benefit from high core counts and sustained clock speeds.

Given its power requirements and market positioning, the Core i9-9990XE is best suited for workstation environments, content creation, and high-performance computing. As of 2026, while it is no longer a mainstream option, it remains a viable choice for users maintaining legacy systems or seeking a cost-effective high-core-count processor for specific professional tasks.
Frequently Compared

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Intel Core i9-9990XE

Main Specifications

Designer: Intel
Name: Core i9-9990XE
Family: Core
Series: i9-9000
Model Number: i9-9990XE
Cores: 14
Threads: 28
Base Frequency: 4000 MHz
Turbo Frequency (1 core): 5000 MHz
Clock Multiplier: 40x (unlocked)
Microarchitecture: Skylake
Core Name: Skylake X Refresh
Core Family: 6
Core Model: 5
Socket: Socket
Package: FCLGA-2066
Chipset: Lewisburg
Target Segment: Desktop and Workstation
Max CPUs: 1
TDP: 255 W

Cache Specifications

L1 Cache: 896 KiB
L1 Instruction Cache: 448.512 KiB (8-way set associative)
L1 Data Cache: 448.512 KiB (8-way set associative)
L2 Cache: 14 MiB (16-way set associative)
L3 Cache: 19.25 MiB (11-way set associative)

Memory Specifications

Supported Memory Type: DDR4-2666
Memory Channels: 4
Maximum Memory: 128 GB
Maximum Bandwidth: 79.47 GB/s
ECC Support: No

PCI-Express Specifications

PCIe Revision: 3.0
PCIe Lanes: 44
PCIe Configuration: x16, x8, x4

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 TXT vPro VT-x VT-d EPT AVX-512 AVX512F AVX512CD AVX512BW AVX512DQ AVX512VL TSX Flex Memory AVX-512 TBMT 3.0 TBT 1.0 FMA
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