Core i7-7800X

Details and Benchmarks for Intel Core i7-7800X

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 i7-7800X based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

5,579 Rank: 432
Rank Name Score Visual
428 Ryzen 3 PRO 5475U 5,583
+0.1%
429 Core i3-7101E 5,581
+0%
430 Xeon Gold 6140 5,580
+0%
431 Core i5-10600K 5,580
+0%
432 Core i7-7800X 5,579
433 Core i5-8600 5,579
+0%
434 Xeon W-2140B 5,578
+-0%
435 Ryzen 3 3300X 5,572
-0.1%
436 Xeon E5-2643 v4 5,569
-0.2%
437 Ryzen 5 2600E 5,569
-0.2%

View full ranking →

Multicore Score

Multicore performance score for Core i7-7800X based on multi-threaded benchmark results.

5,313 Rank: 463
Rank Name Score Visual
459 Ryzen 5 4600G 5,323
+0.2%
460 Xeon E5-2667 v4 5,317
+0.1%
461 Ryzen 7 1700 5,317
+0.1%
462 Core i9-9880H 5,316
+0.1%
463 Core i7-7800X 5,313
464 Core i5-10600KF 5,309
-0.1%
465 Xeon E5-4650 v4 5,304
-0.2%
466 Ryzen 7 PRO 5875U 5,304
-0.2%
467 Ryzen 7 4800H 5,303
-0.2%
468 Core i7-10875H 5,300
-0.2%

View full ranking →

Singlecore Score

Single-core performance score for Core i7-7800X based on single-threaded benchmark results.

5,757 Rank: 386
Rank Name Score Visual
382 Core i7-9800X 5,764
+0.1%
383 Xeon E3-1280 v5 5,760
+0.1%
384 Core i5-1145G7E 5,760
+0.1%
385 Ryzen Threadripper 1950X 5,759
+0%
386 Core i7-7800X 5,757
387 Ryzen 7 1800X 5,757
+0%
388 Ryzen 7 PRO 5850U 5,757
+0%
389 Xeon E3-1286 v3 5,754
-0.1%
390 Core i7-1185G7E 5,751
-0.1%
391 Core i9-10900T 5,746
-0.2%

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 i7-7800X based on integer math, floating point math, and prime number computation benchmarks.

4,867 Rank: 469
Rank Name Score Visual
465 Xeon E-2146G 4,874
+0.1%
466 Xeon E5-2670 v2 4,872
+0.1%
467 Core i7-9700E 4,871
+0.1%
468 Xeon E-2136 4,869
+0%
469 Core i7-7800X 4,867
470 Xeon E5-2643 v4 4,865
+-0%
471 Core i7-8700 4,865
+-0%
472 Core i7-6850K 4,865
+-0%
473 Xeon E5-1650 v4 4,863
-0.1%
474 Ryzen 5 2600X 4,861
-0.1%

View full ranking →

Data Processing

Aggregated score for Core i7-7800X based on data encryption, data compression, and string sorting benchmarks.

4,912 Rank: 478
Rank Name Score Visual
474 Core i7-8700 4,917
+0.1%
475 Ryzen 5 PRO 4650U 4,916
+0.1%
476 Ryzen 3 7440U 4,915
+0.1%
477 Ryzen 3 PRO 5350GE 4,915
+0.1%
478 Core i7-7800X 4,912
479 Ryzen 3 3300X 4,907
-0.1%
480 Core i7-9700 4,903
-0.2%
481 Core i5-10400 4,903
-0.2%
482 Core i5-10400F 4,903
-0.2%
483 Core i7-9700F 4,901
-0.2%

View full ranking →

Physics & Compute

Aggregated score for Core i7-7800X based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

5,022 Rank: 382
Rank Name Score Visual
378 Ryzen 7 PRO 4750GE 5,028
+0.1%
379 Core i7-10700F 5,027
+0.1%
380 EPYC 7281 5,024
+0%
381 Xeon Silver 4215 5,023
+0%
382 Core i7-7800X 5,022
383 Ryzen 7 4800H 5,021
+-0%
384 Core i7-10700 5,020
+-0%
385 Xeon E5-2667 v4 5,018
-0.1%
386 Ryzen 7 4800HS 5,017
-0.1%
387 Core i7-9700F 5,007
-0.3%

View full ranking →

Core i7-7800X Details

Ranking #432 of 2060 in overall performance, the Intel Core i7-7800X sits in the mid-tier of desktop processors as of March 2026. Launched in June 2017, this six-core, twelve-thread CPU is built on Intel’s Skylake-X architecture and represents a high-end offering from the 7th Gen Core i7 X-Series lineup. While it is now over eight years old, the processor remains relevant for users seeking strong single-threaded performance and AVX-512 acceleration without the need for modern platform upgrades.

The Core i7-7800X operates at a base frequency of 3.5 GHz and can boost up to 4.0 GHz on a single core, supported by Intel’s Turbo Boost Technology 2.0. It features a 14 nm manufacturing process and is designed for the FCLGA-2066 socket, requiring a compatible X299 chipset motherboard. The processor includes 8.25 MB of L3 cache, 6 MB of L2 cache, and 0.375 MB of L1 cache, split between 0.188 MB for instruction and data. With a TDP of 140 W, it demands robust cooling solutions, especially under sustained workloads.

Despite its age, the Core i7-7800X delivers competitive single-core performance, scoring 5757 in the Singlecore Score benchmark—placing it at #386 of 2060. This strength makes it suitable for applications where high clock speeds are critical, such as gaming, content creation, and real-time rendering. However, its multicore performance, at 5313 (ranked #463), is less impressive when compared to modern CPUs, particularly due to the lack of newer instruction sets and memory bandwidth improvements.

The processor supports DDR4-2400 memory across a quad-channel interface, with a maximum capacity of 131 GB and a theoretical bandwidth of 79.47 GB/s. It also includes full support for Intel’s advanced instruction sets, including AVX, AVX2, and AVX-512, with two execution units, making it well-suited for compute-intensive tasks like scientific simulations and AI inference. Virtualization technologies like Intel VT-x and VT-d are present, enabling efficient virtual machine operation.

In terms of graphics, the Core i7-7800X does not include integrated graphics, requiring a discrete GPU for display output. This is typical for high-end desktop processors of its era, where users are expected to use dedicated graphics cards. The CPU also supports PCIe 3.0 with up to 28 lanes, providing ample bandwidth for modern storage and expansion cards.

While the Core i7-7800X is no longer a top-tier performer in today’s market, its strong single-core performance and legacy AVX-512 support make it a viable option for enthusiasts or professionals running legacy software that benefits from these features. It competes with modern mid-range CPUs like the Ryzen 7 4800H and Core i7-10700, but lags behind newer processors in both single- and multi-core performance. For users with existing X299 systems or those prioritizing legacy compatibility, the i7-7800X remains a capable, albeit aging, desktop processor.
Frequently Compared

Intel Core i9-9900X 23 views

Intel Celeron N2830 21 views

Intel Core i5-10600KF 21 views

Intel Core i7-7600U 21 views

Intel Xeon W-2135 20 views

Intel Core i7-7700HQ 20 views

AMD Ryzen 3 PRO 2200GE 19 views

AMD Ryzen Threadripper 3970X 18 views

AMD Ryzen 9 PRO 3900 18 views

AMD Ryzen 5 PRO 3500U 18 views

Intel Core i7-7800X

Main Specifications

Designer: Intel
Name: Core i7-7800X
Family: Core
Series: i7-7000
Model Number: i7-7800X
Cores: 6
Threads: 12
Base Frequency: 3500 MHz
Turbo Frequency (1 core): 4000 MHz
Clock Multiplier: 35x (unlocked)
Microarchitecture: Skylake
Core Name: Skylake
Core Family: 6
Core Model: 85
Socket: Socket
Package: FCLGA-2066
Chipset: Lewisburg
Target Segment: Desktop
Max CPUs: 1
TDP: 140 W
Release Price: $389.00

Cache Specifications

L1 Cache: 384 KiB
L1 Instruction Cache: 192.512 KiB (8-way set associative)
L1 Data Cache: 192.512 KiB (8-way set associative)
L2 Cache: 6 MiB (16-way set associative)
L3 Cache: 8.25 MiB (11-way set associative)

Memory Specifications

Supported Memory Type: DDR4-2400
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: 28
PCIe Configuration: 1x16+1x8+1x4, 3x8+1x4

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 AVX-512 AVX512F AVX512CD AVX512BW AVX512DQ AVX512VL TSX VMD NM KPT PTT MBE Ctrl DL Boost AVX512_VNNI Run Sure AVX-512
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