Ultra 9 285T vs Pentium 977

Primary details

Comparing Pentium 977 and Core Ultra 9 285T processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2683not rated
Place by popularitynot in top-100not in top-100
Market segmentLaptopDesktop processor
SeriesIntel Pentiumno data
Power efficiency4.04no data
Architecture codenameSandy Bridge (2011−2013)Arrow Lake-S (2024−2025)
Release date16 January 2012 (12 years ago)January 2025
Launch price (MSRP)$134no data

Detailed specifications

Pentium 977 and Core Ultra 9 285T basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores2 (Dual-core)24 (Tetracosa-Core)
Threads224
Base clock speed1.4 GHz1.4 GHz
Boost clock speed1.4 GHz5.4 GHz
Bus typeDMI 2.0no data
Bus rate4 × 5 GT/sno data
Multiplier14no data
L1 cache128 KB112 KB (per core)
L2 cache512 KB3 MB (per core)
L3 cache2 MB (shared)36 MB (shared)
Chip lithography32 nm3 nm
Die size131 mm2243 mm2
Maximum core temperature100 °Cno data
Number of transistors504 million17,800 million
64 bit support++
Windows 11 compatibility-no data

Compatibility

Information on Pentium 977 and Core Ultra 9 285T compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration1 (Uniprocessor)1
SocketFCBGA10231851
Power consumption (TDP)17 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium 977 and Core Ultra 9 285T. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2no data
AES-NI-+
FMA+-
AVX-+
vProno data+
Enhanced SpeedStep (EIST)++
My WiFi-no data
Turbo Boost Technology-no data
Hyper-Threading Technology-no data
TSX-+
Idle States+no data
Thermal Monitoring+-
Flex Memory Access+no data
Demand Based Switching-no data
FDI+no data
Fast Memory Access+no data

Security technologies

Pentium 977 and Core Ultra 9 285T technologies aimed at improving security, for example, by protecting against hacks.

TXT-+
EDB+no data
Anti-Theft-no data

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium 977 and Core Ultra 9 285T are enumerated here.

VT-d-+
VT-x-+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium 977 and Core Ultra 9 285T. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR5 Depends on motherboard
Maximum memory size16.38 GBno data
Max memory channels2no data
Maximum memory bandwidth21.335 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel® HD Graphics for 2nd Generation Intel® ProcessorsArc Xe2 Graphics 64EU
Graphics max frequency1 GHzno data

Graphics interfaces

Available interfaces and connections of Pentium 977 and Core Ultra 9 285T integrated GPUs.

Number of displays supported2no data
eDP+no data
DisplayPort+-
HDMI+-
SDVO+no data
CRT+no data

Peripherals

Specifications and connection of peripherals supported by Pentium 977 and Core Ultra 9 285T.

PCIe version2.05.0
PCI Express lanes1620

Pros & cons summary


Physical cores 2 24
Threads 2 24
Chip lithography 32 nm 3 nm
Power consumption (TDP) 17 Watt 35 Watt

Pentium 977 has 105.9% lower power consumption.

Ultra 9 285T, on the other hand, has 1100% more physical cores and 1100% more threads, and a 966.7% more advanced lithography process.

We couldn't decide between Pentium 977 and Core Ultra 9 285T. We've got no test results to judge.

Be aware that Pentium 977 is a notebook processor while Core Ultra 9 285T is a desktop one.


Should you still have questions on choice between Pentium 977 and Core Ultra 9 285T, ask them in Comments section, and we shall answer.

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Intel Pentium 977
Pentium 977
Intel Core Ultra 9 285T
Core Ultra 9 285T

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