Intel CPU v12.3.9

Intel Core i7-975 Processor Extreme Edition

minor
3
patch
9
Core i7-975 Extreme Edition
suffix
—
No suffix

Benchmarks

Total score 1,604 / 10,000, rank 1543 of 2125.

Every score is out of 10,000, relative to the best CPUs. The total also counts the recommended price ($1,059, Intel ARK recommended customer price (2018)); see how scores work.

CategoryScoreMeasured
Single-thread2,483
1,479 points
Multi-thread201
3,499 points
3D renderingestimated128
Gamingestimated2,295

Sources: PassMark (Intel Core i7-975 @ 3.33GHz, 423 samples)

Metadata

PropertyValue
BrandCore
Intel nameIntel Core i7-975 Processor Extreme Edition
Processor numberi7-975
CodenameBloomfield
Generation1st generation Core
MicroarchitectureNehalem / Westmere
Performance classCore i7
SegmentDesktop
Released2009-Q22009
StatusDiscontinued
Cores4
Threads8
Base clock3.33 GHz
Max clock3.60 GHz
Cache8 MB Intel Smart Cache
Bus6.4 GT/s
TDP130 W
Lithography (as published)45 nm
Max memory24 GB
Memory channels3
Max CPUs per system1
Transistors731 million
Die size263 mm2
Instruction set64-bit
SocketFCLGA1366LGA1366
MemoryDDR3 800/1066DDR3
Recommended price$1,059
Instruction sets
Features
SourceIntel ARK (via cpu-spec-dataset)

Uses (dependencies)

Used by (0)

Nothing depends on this version.

Known vulnerabilities and defects

  • Meltdown (CVE-2017-5754): Rogue data cache load: user code can read kernel memory through speculative execution.
  • Spectre variant 1 (bounds check bypass) (CVE-2017-5753): Mistrained conditional branches speculatively read out-of-bounds data. Mitigated in software only; every speculative out-of-order core is affected.
  • Foreshadow / L1 Terminal Fault (CVE-2018-3615, CVE-2018-3620, CVE-2018-3646): Speculative reads from the L1 data cache through non-present page table entries, breaking SGX, OS and VMM isolation.
  • Microarchitectural Data Sampling (ZombieLoad, RIDL, Fallout) (CVE-2018-12126, CVE-2018-12127, CVE-2018-12130, CVE-2019-11091): Data in store buffers, fill buffers and load ports leaks across privilege boundaries.

Matched by codename; individual steppings may differ.

Changelog

Since the previous patch: Intel CPU v12.3.8 (Core i7-970)

Performance

  • ~Total score 1853 → 1604 (-13%)
  • ~Single-thread 2456 → 2483 (+1%)
  • ~Multi-thread 381 → 201 (-47%)
  • ~3D rendering 235 → 128 (-46%)
  • ~Gaming 2785 → 2295 (-18%)

Features

  • −AES-NI

Specifications

  • ~Codename: Gulftown → Bloomfield
  • ~Cores: 6 → 4
  • ~Threads: 12 → 8
  • ~Base clock: 3.20 GHz → 3.33 GHz
  • ~Max clock: 3.46 GHz → 3.60 GHz
  • ~Cache: 12 MB Intel Smart Cache → 8 MB Intel Smart Cache
  • ~Bus: 4.8 GT/s → 6.4 GT/s
  • +Transistors: 731 million
  • ~Die size: 239 mm2 → 263 mm2
  • ~Recommended price: $594 → $1,059

Since the previous minor (lower performance class): Intel CPU v12.2.7 (Core i5-760)

Breaking changes

  • ~Socket changed from LGA1156 to FCLGA1366

Performance

  • ~Total score 1499 → 1604 (+7%)
  • ~Single-thread 2153 → 2483 (+15%)
  • ~Multi-thread 153 → 201 (+31%)
  • ~3D rendering 114 → 128 (+12%)
  • ~Gaming 1913 → 2295 (+20%)

Features

  • +Hyper-Threading

Specifications

  • ~Codename: Lynnfield → Bloomfield
  • ~Threads: 4 → 8
  • ~Base clock: 2.80 GHz → 3.33 GHz
  • ~Max clock: 3.33 GHz → 3.60 GHz
  • ~Bus: 2.5 GT/s → 6.4 GT/s
  • ~TDP: 95 W → 130 W
  • ~Max memory: 16 GB → 24 GB
  • ~Memory channels: 2 → 3
  • ~Transistors: 774 million → 731 million
  • ~Die size: 296 mm2 → 263 mm2
  • ~Recommended price: $213 → $1,059
  • −PCIe revision: 2.0
  • −PCIe lanes: 16

Since the previous major (previous generation): Intel CPU v11.3.5-S (Core2 Quad Q9550S)

Breaking changes

  • ~Socket changed from LGA775 to FCLGA1366

Security

  • !Introduced: Foreshadow / L1 Terminal Fault
  • !Introduced: Microarchitectural Data Sampling (ZombieLoad, RIDL, Fallout)

Instruction sets

  • +SSE4.2

Features

  • +Hyper-Threading
  • +EPT
  • +Physical Address Extension
  • −VT-d
  • −Trusted Execution Technology

Specifications

  • ~Codename: Yorkfield → Bloomfield
  • ~Microarchitecture: Penryn → Nehalem / Westmere
  • +Threads: 8
  • ~Base clock: 2.83 GHz → 3.33 GHz
  • +Max clock: 3.60 GHz
  • ~Cache: 12 MB L2 Cache → 8 MB Intel Smart Cache
  • ~Bus: 1333 MHz → 6.4 GT/s
  • ~TDP: 65 W → 130 W
  • +Max memory: 24 GB
  • +Memory channels: 3
  • +Max CPUs per system: 1
  • ~Transistors: 820 million → 731 million
  • ~Die size: 214 mm2 → 263 mm2
  • ~Recommended price: $369 → $1,059

Raw source data

Show all 46 fields
FieldValue
CpuId37153
CpuNameIntel Core i7-975 Processor Extreme Edition
AESTechNo
BornOnDateQ2'09
Bus6.4 GT/s
BusNumPorts1
Cache8 MB Intel Smart Cache
ClockSpeed3.33 GHz
ClockSpeedMax3.60 GHz
CodeNameTextProducts formerly Bloomfield
CoreCount4
DemandBasedSwitchingNo
DieSize263 mm2
ECCMemoryNo
EM64Yes
EmbeddedNo
ExecuteDisableYes
ExtendedPageTablesYes
HaltStateYes
HyperThreadingYes
InstructionSet64-bit
InstructionSetExtensionsIntel SSE4.2
Lithography45 nm
MarketSegmentDesktop
MaxCPUs1
MaxMem24 GB
MaxMemoryBandwidth25.6 GB/s
MaxTDP130 W
MemoryTypesDDR3 800/1066
NumMemoryChannels3
PackageSize42.5mm x 45.0mm
PhysicalAddressExtension36-bit
ProcessorNumberi7-975
ProductGroupLegacy Intel Core Processors
ServicingStatusEnd of Servicing Lifetime
SocketsSupportedFCLGA1366
SpeedstepTechnologyYes
StatusCodeTextDiscontinued
TBTVersion1.0
TCase67.9°C
ThermalMonitoring2IndicatorNo
ThreadCount8
TransistorCount731 million
TXTNo
VTXYes
SourceUrlhttps://ark.intel.com/content/www/us/en/ark/products/37153/intel-core-i7975-processor-extreme-edition-8m-cache-3-33-ghz-6-40-gts-intel-qpi.html