Intel Core i9-7980XE vs Core i9-7940X

Intel Core i9-7980XE
Intel Core i9-7940X

General info

Comparing Core i9-7980XE and Core i9-7940X processor market type (desktop or notebook), architecture and sales start time and price.
Place in performance rating
 
Value for money (0-100)
7.08
 
9.01
Type
Desktop
 
Desktop
Series
Intel Core i9
 
Intel Core i9
Architecture codename
Skylake (server)
 
Skylake (server)
Release date
1 September 2017
 
1 September 2017
Launch price (MSRP)
$1,999
 
$1,399
Price now
$1585
 
$1130

Technical specs

Core i9-7980XE and Core i9-7940X quantitative parameters such as cores and threads number, clocks, manufacturing process, cache size and multiplier lock state. These parameters indirectly say of Core i9-7980XE and Core i9-7940X performance, but for precise assessment you have to consider their test results.
Number of cores
18
 
14
Number of threads
36
 
28
Base frequency
no data
 
3.1 GHz
Maximum frequency
4.4 GHz
 
4.4 GHz
Bus support
4 × 8 GT / s
 
4 × 8 GT / s
L1 cache
64K (per core)
 
64K (per core)
L2 cache
1 MB (per core)
 
1 MB (per core)
L3 cache
24.75 MB (shared)
 
19.25 MB (shared)
Manufacturing process technology
14 nm
 
14 nm
Maximum core temperature
94 °C
 
no data
64 bit support
+
 
+
Unlocked
+
 
+

Compatibility

Information on Core i9-7980XE and Core i9-7940X compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one.
Max number of CPUs in a configuration
1
 
1 (Uniprocessor)
Socket
FCLGA2066
 
2066
Power consumption (TDP)
165 Watt
 
165 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-7980XE and Core i9-7940X. You'll probably need this information if you require some particular technology.
Instruction set extensions
Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
 
no data
AES-NI
+
 
+
AVX
+
 
+
Enhanced SpeedStep (EIST)
+
 
no data
Turbo Boost
2.0
 
no data
Hyper-Threading
+
 
no data
Turbo Boost Max 3.0
+
 
no data

Security technologies

Core i9-7980XE and Core i9-7940X technologies aimed at raising security, for example, by protecting against hacks.
EDB
+
 
no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-7980XE and Core i9-7940X are enumerated here.
VT-d
+
 
+
VT-x
+
 
+

Memory specs

Types, maximum amount and channel number of RAM supported by Core i9-7980XE and Core i9-7940X.
Supported memory types
DDR4-2666
 
DDR4 Quad-channel
Maximum memory size
128 GB
 
128 GB
Max memory channels
4
 
4
Maximum memory bandwidth
79.47 GB / s
 
79.47 GB / s

Peripherals

Specifications and connection of peripherals supported by Core i9-7980XE and Core i9-7940X.
PCIe revision
3.0
 
no data
Max number of PCIe lanes
44
 
no data

Benchmark performance

Non-gaming benchmarks performance of Core i9-7980XE and Core i9-7940X. Overall benchmark performance is measured in points in 0-100 range.

Overall benchmark performance

i9-7980XE 37.87 +10.2%
i9-7940X 34.35

Passmark

i9-7980XE 29668 +10.2%
i9-7940X 26912

Gaming performance

Let's see how good Core i9-7980XE and Core i9-7940X are for gaming compared with game system requirements. Remember that sometimes official requirements may reflect real performance inaccurately.

Advantages of Intel Core i9-7980XE

10.2% faster in synthetic tests

Advantages of Intel Core i9-7940X

Cheaper ($1399 vs $1999)

So, Core i9-7980XE or Core i9-7940X?

Judging by the results of synthetic and gaming tests, Technical City recommends Intel Core i9-7980XE.
Should you still have questions on choice between Core i9-7980XE and Core i9-7940X, ask them in Comments section, and we shall answer.

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