Intel Core i9-9940X vs Intel Core i9-7980XE

Comparative analysis of Intel Core i9-9940X and Intel Core i9-7980XE processors for all known characteristics in the following categories: Essentials, Performance, Memory, 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, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s).

 

Differences

Reasons to consider the Intel Core i9-9940X

  • CPU is newer: launch date 1 year(s) 0 month(s) later
  • Around 5% higher clock speed: 4.40 GHz vs 4.20 GHz
  • Around 6% better performance in PassMark - Single thread mark: 2632 vs 2483
  • Around 5% better performance in 3DMark Fire Strike - Physics Score: 11442 vs 10876
Specifications (specs)
Launch date October 2018 vs September 2017
Maximum frequency 4.40 GHz vs 4.20 GHz
Benchmarks
PassMark - Single thread mark 2632 vs 2483
3DMark Fire Strike - Physics Score 11442 vs 10876

Reasons to consider the Intel Core i9-7980XE

  • 4 more cores, run more applications at once: 18 vs 14
  • 8 more threads: 36 vs 28
  • Around 7% higher maximum core temperature: 94°C vs 88°C
  • Around 29% more L1 cache; more data can be stored in the L1 cache for quick access later
  • Around 29% more L2 cache; more data can be stored in the L2 cache for quick access later
  • Around 29% more L3 cache; more data can be stored in the L3 cache for quick access later
  • Around 8% better performance in PassMark - CPU mark: 30208 vs 28059
  • Around 3% better performance in Geekbench 4 - Single Core: 1177 vs 1140
  • Around 23% better performance in Geekbench 4 - Multi-Core: 16370 vs 13302
Specifications (specs)
Number of cores 18 vs 14
Number of threads 36 vs 28
Maximum core temperature 94°C vs 88°C
L1 cache 64 KB (per core) vs 64K (per core)
L2 cache 1024 KB (per core) vs 1 MB (per core)
L3 cache 25344 KB (shared) vs 19.25 MB (shared)
Benchmarks
PassMark - CPU mark 30208 vs 28059
Geekbench 4 - Single Core 1177 vs 1140
Geekbench 4 - Multi-Core 16370 vs 13302

Compare benchmarks

CPU 1: Intel Core i9-9940X
CPU 2: Intel Core i9-7980XE

PassMark - Single thread mark
CPU 1
CPU 2
2632
2483
PassMark - CPU mark
CPU 1
CPU 2
28059
30208
Geekbench 4 - Single Core
CPU 1
CPU 2
1140
1177
Geekbench 4 - Multi-Core
CPU 1
CPU 2
13302
16370
3DMark Fire Strike - Physics Score
CPU 1
CPU 2
11442
10876
Name Intel Core i9-9940X Intel Core i9-7980XE
PassMark - Single thread mark 2632 2483
PassMark - CPU mark 28059 30208
Geekbench 4 - Single Core 1140 1177
Geekbench 4 - Multi-Core 13302 16370
3DMark Fire Strike - Physics Score 11442 10876
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 40.947
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 484.771
CompuBench 1.5 Desktop - T-Rex (Frames/s) 3.237
CompuBench 1.5 Desktop - Video Composition (Frames/s) 21.073
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 218.231

Compare specifications (specs)

Intel Core i9-9940X Intel Core i9-7980XE

Essentials

Architecture codename Skylake Skylake
Launch date October 2018 September 2017
Place in performance rating 697 177
Processor Number i9-9940X i9-7980XE
Series Intel® Core™ X-series Processors Intel® Core™ X-series Processors
Status Launched Launched
Vertical segment Desktop Desktop
Launch price (MSRP) $1,999
Price now $2,005.50
Value for money (0-100) 4.08

Performance

64 bit support
Base frequency 3.30 GHz 2.60 GHz
Bus Speed 8 GT/s DMI3 8 GT/s DMI3
L1 cache 64K (per core) 64 KB (per core)
L2 cache 1 MB (per core) 1024 KB (per core)
L3 cache 19.25 MB (shared) 25344 KB (shared)
Manufacturing process technology 14 nm 14 nm
Maximum core temperature 88°C 94°C
Maximum frequency 4.40 GHz 4.20 GHz
Number of cores 14 18
Number of QPI Links 0 0
Number of threads 28 36
Unlocked

Memory

Max memory channels 4 4
Maximum memory size 128 GB 128 GB
Supported memory types DDR4-2666 DDR4-2666

Compatibility

Max number of CPUs in a configuration 1 1
Sockets supported FCLGA2066 FCLGA2066
Thermal Design Power (TDP) 165 Watt 165 Watt
Thermal Solution PCG 2017X PCG 2017X
Low Halogen Options Available

Peripherals

Max number of PCIe lanes 44 44
PCI Express revision 3.0 3.0
Scalability 1S Only 1S Only

Security & Reliability

Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)

Advanced Technologies

Enhanced Intel SpeedStep® technology
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® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® Turbo Boost technology
Number of AVX-512 FMA Units 2 2

Virtualization

Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)