Intel Core i7-11700T vs Intel Core i9-7940X

Comparative analysis of Intel Core i7-11700T and Intel Core i9-7940X processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Graphics image quality, Graphics API support, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, 3DMark Fire Strike - Physics Score.

 

Differences

Reasons to consider the Intel Core i7-11700T

  • CPU is newer: launch date 3 year(s) 6 month(s) later
  • Around 7% higher clock speed: 4.60 GHz vs 4.30 GHz
  • 8x more L1 cache, more data can be stored in the L1 cache for quick access later
  • 4x more L2 cache, more data can be stored in the L2 cache for quick access later
  • 4.7x lower typical power consumption: 35 Watt vs 165 Watt
  • Around 19% better performance in PassMark - Single thread mark: 2953 vs 2491
Specifications (specs)
Launch date 16 Mar 2021 vs September 2017
Maximum frequency 4.60 GHz vs 4.30 GHz
L1 cache 512 KB vs 64 KB (per core)
L2 cache 4 MB vs 1024 KB (per core)
Thermal Design Power (TDP) 35 Watt vs 165 Watt
Benchmarks
PassMark - Single thread mark 2953 vs 2491

Reasons to consider the Intel Core i9-7940X

  • Processor is unlocked, an unlocked multiplier allows for easier overclocking
  • Around 2% higher maximum core temperature: 102°C vs 100°C
  • Around 20% more L3 cache; more data can be stored in the L3 cache for quick access later
  • Around 64% better performance in PassMark - CPU mark: 25964 vs 15831
Specifications (specs)
Unlocked Unlocked vs Locked
Maximum core temperature 102°C vs 100°C
L3 cache 19712 KB (shared) vs 16 MB
Benchmarks
PassMark - CPU mark 25964 vs 15831

Compare benchmarks

CPU 1: Intel Core i7-11700T
CPU 2: Intel Core i9-7940X

PassMark - Single thread mark
CPU 1
CPU 2
2953
2491
PassMark - CPU mark
CPU 1
CPU 2
15831
25964
Name Intel Core i7-11700T Intel Core i9-7940X
PassMark - Single thread mark 2953 2491
PassMark - CPU mark 15831 25964
Geekbench 4 - Single Core 1153
Geekbench 4 - Multi-Core 12928
3DMark Fire Strike - Physics Score 10950

Compare specifications (specs)

Intel Core i7-11700T Intel Core i9-7940X

Essentials

Architecture codename Rocket Lake Skylake
Launch date 16 Mar 2021 September 2017
Launch price (MSRP) $323 $1,399
Place in performance rating 553 746
Processor Number i7-11700T i9-7940X
Series 11th Generation Intel Core i7 Processors Intel® Core™ X-series Processors
Status Launched Launched
Vertical segment Desktop Desktop
Price now $1,129.99
Value for money (0-100) 6.63

Performance

64 bit support
Base frequency 1.40 GHz 3.10 GHz
Bus Speed 8 GT/s 8 GT/s DMI3
L1 cache 512 KB 64 KB (per core)
L2 cache 4 MB 1024 KB (per core)
L3 cache 16 MB 19712 KB (shared)
Manufacturing process technology 14 nm 14 nm
Maximum core temperature 100°C 102°C
Maximum frequency 4.60 GHz 4.30 GHz
Number of cores 14
Number of QPI Links 0
Number of threads 28
Unlocked

Memory

Max memory channels 2 4
Maximum memory bandwidth 50 GB/s
Maximum memory size 128 GB 128 GB
Supported memory types DDR4-3200 DDR4-2666

Graphics

Device ID 0x4C8A
Execution Units 32
Graphics base frequency 350 MHz
Graphics max dynamic frequency 1.30 GHz
Intel® Clear Video HD technology
Intel® Clear Video technology
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Max video memory 64 GB
Processor graphics Intel UHD Graphics 750

Graphics interfaces

Number of displays supported 3

Graphics image quality

4K resolution support
Max resolution over DisplayPort 5120 x 3200 @60Hz
Max resolution over eDP 5120 x 3200 @60Hz

Graphics API support

DirectX 12.1
OpenGL 4.5

Compatibility

Configurable TDP-down 25 Watt
Configurable TDP-down Frequency 900 MHz
Max number of CPUs in a configuration 1 1
Package Size 37.5 mm x 37.5 mm
Sockets supported FCLGA1200 FCLGA2066
Thermal Design Power (TDP) 35 Watt 165 Watt
Thermal Solution PCG 2019D PCG 2017X
Low Halogen Options Available

Peripherals

Max number of PCIe lanes 20 44
PCI Express revision 4.0 3.0
PCIe configurations Up to 1x16+1x4, 2x8+1x4, 1x8+3x4
Scalability 1S Only 1S Only

Security & Reliability

Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® OS Guard
Intel® Secure Key technology
Intel® Software Guard Extensions (Intel® SGX)
Intel® Trusted Execution technology (TXT)
Secure Boot

Advanced Technologies

Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions Intel SSE4.1, Intel SSE4.2, Intel AVX2, Intel AVX-512 Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® Stable Image Platform Program (SIPP)
Intel® Thermal Velocity Boost
Intel® Turbo Boost technology
Thermal Monitoring
Intel® Advanced Vector Extensions (AVX)
Number of AVX-512 FMA Units 2

Virtualization

Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)