Intel Core i7-975 Intel Atom C5115
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Intel Core i7-975 vs Intel Atom C5115

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Performance Overview
Average performance across multiple benchmarks

Single-core performance
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Intel Core i7-975
Rank ?
Intel Atom C5115
Multi-core performance
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Intel Core i7-975
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Intel Atom C5115

More benchmarks

At a glance

Wischen
Intel Core i7-975Intel Atom C5115
FamilyIntel Core i7 Extreme Edition (24)Intel Atom (108)
CPU groupIntel Core i7 900 (7)Intel Atom C5000 (5)
ArchitectureBloomfieldParker Ridge
Technology45 nm10 nm
SegmentDesktopDesktop
SocketLGA 1366BGA 2106
Predecessor
Successor

CPU Cores and Base Frequency

Wischen
Intel Core i7-975Intel Atom C5115
CPU Cores / Threads4 / 84 / 4
Hyperthreading / SMT
Core architecturenormalnormal
Cores: 4x 4x
Frequency: 3.33 GHz 2.80 GHz
Turbo (1 Core): 3.60 GHz
Turbo (All Cores):
L2-Cache1.00 MB9.00 MB
L3-Cache8.00 MB
Overclocking

Integrated graphics (iGPU)

Wischen
Intel Core i7-975Intel Atom C5115
GPU nameno iGPUno iGPU
GPU frequency
CUs / Shader / /
Raytracing
Max. displays
Max. GPU Memory
Technology
Release date

NPU AI performance

Wischen
Intel Core i7-975Intel Atom C5115
AI hardware
AI specifications
NPU + CPU + iGPU

Memory & PCIe

Wischen
Intel Core i7-975Intel Atom C5115
MemoryDDR3-1066 (25.6 GB/s)
DDR4-2933 (46.9 GB/s)
Max. Memory24 GB256 GB
Memory channels32
ECCNoYes
PCIe3.0 x 32
PCIe Bandwidth31.5 GB/s

Thermal Management

Wischen
Intel Core i7-975Intel Atom C5115
TDP130 W43 W
TDP (PL2)
TDP up
TDP down
T. junction max.100 °C

Technical details

Wischen
Intel Core i7-975Intel Atom C5115
Chip designMonolithicMonolithic
AES-NI
Operating systemsWindows 10, LinuxWindows 10, Linux
Instruction setx86-64 (64 bit)x86-64 (64 bit)
ISA extensionsSSE4.1, SSE4.2SSE4.1, SSE4.2, Intel QAT
Release dateQ4/2008Q2/2022
Release price1059 $
DocumentsTechnical data sheetTechnical data sheet

Your rating

Here you can rate one or both of the processors. The average rating of Intel Core i7-975 is 4.7 stars (3 ratings), while Intel Atom C5115 has received 0 stars (0 ratings).

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Intel Core i7-975
Intel Core i7-975
4C / 8T · 3.33 - 3.60 GHz
Intel Atom C5115
Intel Atom C5115
4C / 4T · 2.80 GHz

Most popular CPUs in both categories

Intel Core i7-975
Intel Core i7-975
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