Intel Core i7-7740X

Intel Core i7-7740X
Benchmarks & Specs

Last updated:
The Intel Core i7-7740X was, in its time, a remarkable option for demanding users. This processor, based on the robust Skylake X architecture, was manufactured using a solid 14nm process. It offered a reliable basis for high-performance desktop computers. Its suitability for gaming is particularly noteworthy.

The "X" designation in the name of the Intel Core i7-7740X indicated its positioning in the high-end segment at the time. This made it an attractive choice for gamers. A significant advantage was also the generous 8 MB Level 3 cache. This ensured fast access to frequently used data. In addition, the chip supported PCIe 3.0.

This allowed fast graphics cards and other expansion cards to be optimally connected. With a maximum memory bandwidth of 43 GB/s, it offered sufficient reserves. Thus, it mastered demanding applications and complex game worlds. Even today, the Intel Core i7-7740X shows a respectable performance. It can be a good choice for systems where a solid foundation is important.

We are amazed at how well it holds up in many everyday scenarios.
  • Good suitability for gaming
  • Robust 14nm manufacturing and Skylake X architecture
  • 8 MB Level 3 cache
  • PCIe 3.0 support

Performance Overview
Average performance across multiple benchmarks

Single-core performance
Rank 333 / 867
In segment Desktop
Multi-core performance
Rank 419 / 821
In segment Desktop
Geekbench 6 Single-Core

Geekbench 6 Single-Core
Single-core performance

Intel Xeon Gold 6248R
24C / 48T · 4.00 GHz
1,503
AMD Ryzen 5 PRO 4655G
6C / 12T · 4.20 GHz
1,502
Intel Core i7-7740X
4C / 8T · 4.50 GHz
1,497
Intel Xeon Gold 6244
8C / 16T · 4.40 GHz
1,487
Intel Core i5-9600
6C / 6T · 4.60 GHz
1,486
Geekbench 6 Multi-Core

Geekbench 6 Multi-Core
Multi-core performance

Intel Core i3-10325
4C / 8T · 4.50 GHz
5,245
AMD Ryzen 3 PRO 4350GE
4C / 8T · 3.80 GHz
5,224
Intel Core i7-7740X
4C / 8T · 4.30 GHz
5,220
Intel Xeon E3-1270 v6
4C / 8T · 4.00 GHz
5,218
Intel Xeon E5-2697 v2
12C / 24T · 3.10 GHz
5,167
Geekbench 5, 64bit Single-Core

Geekbench 5, 64bit Single-Core
Single-core performance

Intel Xeon Gold 6348
28C / 56T · 3.50 GHz
1,283
Intel Core i9-10900T
10C / 20T · 4.60 GHz
1,279
Intel Core i7-7740X
4C / 8T · 4.50 GHz
1,277
AMD Ryzen Threadripper 3960X
24C / 48T · 4.50 GHz
1,274
AMD Ryzen Threadripper 3970X
32C / 64T · 4.50 GHz
1,274
Geekbench 5, 64bit Multi-Core

Geekbench 5, 64bit Multi-Core
Multi-core performance

Intel Core i5-9600
6C / 6T · 4.10 GHz
4,879
AMD Ryzen 3 3100
4C / 8T · 3.90 GHz
4,865
Intel Core i7-7740X
4C / 8T · 4.30 GHz
4,834
AMD Ryzen 5 3500
6C / 6T · 4.00 GHz
4,816
Intel Xeon E5-2620 v2
6C / 12T · 2.30 GHz
4,812
CPU-Z Benchmark 17 Multi-Core

CPU-Z Benchmark 17 Multi-Core
Multi-core performance

AMD Ryzen 3 3100
4C / 8T · 3.60 GHz
2,562
Intel Core i5-9400F
6C / 6T · 2.90 GHz
2,550
Intel Core i7-7740X
4C / 8T · 4.30 GHz
2,540
Intel Core i7-7700K
4C / 8T · 4.20 GHz
2,523
Intel Core i3-10105
4C / 8T · 3.70 GHz
2,497
Cinebench R15 (Single-Core)

Cinebench R15 (Single-Core)
Single-core performance

Intel Core i9-10940X
14C / 28T · 4.80 GHz
201 cb
Intel Core i9-9980XE
18C / 36T · 4.50 GHz
201 cb
Intel Core i7-7740X
4C / 8T · 4.50 GHz
200 cb
Intel Core i9-10900X
10C / 20T · 4.70 GHz
198 cb
AMD Ryzen 5 3600
6C / 12T · 4.20 GHz
197 cb
Cinebench R15 (Multi-Core)

Cinebench R15 (Multi-Core)
Multi-core performance

Intel Core i5-9400
6C / 6T · 3.90 GHz
987 cb
Intel Core i5-9400F
6C / 6T · 3.90 GHz
987 cb
Intel Core i7-7740X
4C / 8T · 4.30 GHz
976 cb
Intel Xeon E5-2650 v2
8C / 16T · 3.00 GHz
966 cb
Intel Core i5-8600
6C / 6T · 3.80 GHz
959 cb

More benchmarks

At a glance

PropertyValue
FamilyIntel Core i7 (300)
CPU groupIntel Core i 7000X (9)
ArchitectureSkylake X
Technology14 nm
SegmentDesktop
SocketLGA 2066
Generation7
Predecessor
Successor

CPU Cores and Base Frequency

PropertyValue
CPU Cores / Threads4 / 8
Hyperthreading / SMT
Core architecturenormal
Cores: 4x
Frequency: 4.30 GHz
Turbo Frequency (1 Core): 4.50 GHz
Turbo Frequency (4 Cores): 4.30 GHz
L2-Cache
L3-Cache8.00 MB
OverclockingYes

Memory & PCIe

Memory typeMemory bandwidth
DDR4-2666
42.7 GB/s
PropertyValue
Max. Memory64 GB
Memory channels2
ECC
PCIe3.0 x 16
PCIe Bandwidth15.8 GB/s

Thermal Management

PropertyValue
TDP112 W
TDP (PL2)
TDP up
TDP down
T. junction max.

Technical details

PropertyValue
Chip designMonolithic
AES-NI
Operating systemsWindows 10, Linux
Instruction setx86-64 (64 bit)
ISA extensionsSSE4.1, SSE4.2, AVX2, AVX-512
Release dateQ2/2017
Release price375 $
DocumentsTechnical data sheet
Intel Core i7-7740X
Intel Core i7-7740X
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