Intel Core Ultra 9 275HX vs AMD Ryzen 9 8945HX

Compared 2 processors: Intel Core Ultra 9 275HX, vs AMD Ryzen 9 8945HX. Below are specs, tests, pros and cons for each device

Review

Key Specs Intel Core Ultra 9 275HX and AMD Ryzen 9 8945HX
Single-Thread Perf.
Single-Core Benchmark Score
Multi-Thread Perf.
Multi-Core Benchmark Score
Energy Efficiency
Chip Power Efficiency
Integrated Graphics
iGPU Performance in Games & 3D
NanoReview Score
Overall score by NanoReview

Tests & specs

Specs & test comparison

Benchmarks

CPU performance comparison across tasks
Cinebench R23
Cinebench R23 (Single-Core)
Intel Core Ultra 9 275HX
2089
AMD Ryzen 9 8945HX
2002
Cinebench R23 (Multi-Core)
Intel Core Ultra 9 275HX
31232
AMD Ryzen 9 8945HX
34982
Cinebench 2024
Cinebench 2024 (Single-Core)
Intel Core Ultra 9 275HX
138
AMD Ryzen 9 8945HX
113
Cinebench 2024 (Single-Core)
Intel Core Ultra 9 275HX
2223
AMD Ryzen 9 8945HX
1720
PassMark
PassMark CPU (Single-Core)
Intel Core Ultra 9 275HX
4707
AMD Ryzen 9 8945HX
4036
PassMark CPU (Multi-Core)
Intel Core Ultra 9 275HX
56504
AMD Ryzen 9 8945HX
55932
Integer Math157.3 GOps/sn/a
Floating-Point Math196.3 GOps/sn/a
Prime Number Search449 M primes/sn/a
Random String Sort77 M strings/sn/a
Data Encryption48.7 GB/sn/a
Data Compression624.8 MB/sn/a
Physics3093 frames/sn/a
Extended Instructions485 M matrices/sn/a
GeekBench v6
Geekbench 6 (Single-Core)
Intel Core Ultra 9 275HX
3001
AMD Ryzen 9 8945HX
2767
Geekbench 6 (Multi-Core)
Intel Core Ultra 9 275HX
20451
AMD Ryzen 9 8945HX
16761
File Compression1480 MB/sn/a
Clang Compilation216.2 KLines/sn/a
HTML5 Browser435.5 pages/sn/a
PDF Rendering545.5 MP/secn/a
Text Processing344.8 pages/sn/a
Background Blur78.6 frames/sn/a
Photo Processing156.4 frames/sn/a
Ray Tracing46.2 MP/secn/a

Blender

Real-world 3D modeling test
Blender CPU
Intel Core Ultra 9 275HX
359.87
AMD Ryzen 9 8945HX
476.21

Performance/Watt

Points per watt of PL1 TDP
Geekbench 6 Multi / W 371.8 PPW 304.7 PPW
PassMark CPU / W 1027.3 PPW 1016.9 PPW
Cinebench 2024 / W 40.4 PPW 31.3 PPW
Blender / W 6.54 PPW 8.66 PPW

General Info

Manufacturer Intel AMD
Announced January, 6, 2025 April, 1, 2025
Type Laptop use Laptop use
Architecture x86-64 x86-64
Codename Arrow Lake Zen 4 (Dragon Range)
Model number 275HX n/a
Integrated GPU Arc Graphics (4-Cores) Radeon 610M

Processor

Performance cores
Cores 8 16
Threads 8 32
Frequency 2.7 GHz 2.5 GHz
Max Frequency (Turbo) 5.4 GHz 5.4 GHz
Efficiency cores
Cores16n/a
Threads16n/a
Frequency2.1 GHzn/a
Max Frequency (Turbo)4.6 GHzn/a
General
Cores count2416
Threads count2432
Bus frequency100 MHz100 MHz
Multiplier27x24x
L1 cache112 KB/core64 KB/core
L2 cache2000 KB/core1000 KB/core
L3 Cache36 MB total64 MB total
Unlocked multiplierYesYes

Package

Process tech. 3 nm 5 nm
Power (TDP) 45-55 W 55 W
Max TDP (Boost) 160 W 75 W
Socket FCBGA-2114 FL1
Critical temp. 105 °C 100 °C

Memory Support

Memory Type DDR5-6400 DDR5-5200
Max Size 192 GB 64 GB
Channels 2 2
ECC support Yes No

Other

PCIe Version 5.0 5.0
Max PCIe Lanes 24 28
Tech n/a - Compute: AVX-512, BMI1, BMI2, F16C, SHA
- Performance: Precision Boost 2, SMT
- Virtualization: AMD-V
- Security: EVP, NX-Bit, SMAP, SMEP

Results

No clear favorite identified yet; updates may follow as new data arrives.

Survey

Which CPU would you pick?
9 (50%)
9 (50%)
Total Votes: 18

User comments

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