Intel Core Ultra 5 245KF vs AMD Ryzen 9 3900XT

Best Value Available Intel Core Ultra 5 245KF Buy Now ↗
VS
Limited
AMD Ryzen 9 3900XT Buy Now ↗
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Review

Intel Core Ultra 5 245KF
AMD Ryzen 9 3900XT
Single-Core Performance
85
48
Multi-Core Performance
64
45
Power Efficiency
71
52
QucikComparison Final Score
75
48
❖

Key differences

Key distinctions and advantages between Intel Core Ultra 5 245KF and AMD Ryzen 9 3900XT

Reasons to consider the Intel Core Ultra 5 245KF

  • + 6 P-cores + 8 E-cores hybrid design
  • + DDR5 memory support
  • + FCLGA-1851 socket
  • + Arrow Lake architecture

Reasons to consider the AMD Ryzen 9 3900XT

  • + 12 cores / 24 threads with SMT
  • + DDR4 memory support
  • + AM4 socket
  • + Zen 2 (Matisse) architecture

Pros & Cons

Intel Core Ultra 5 245KF
  • Excellent single-core performance
  • Modern DDR5 memory support
  • High power draw (125W TDP)
  • No integrated graphics — discrete GPU required

"A high-end Intel Core Ultra 5 245KF processor with strong single-core performance (85/100). Suited for demanding workloads."

AMD Ryzen 9 3900XT
  • Reliable everyday performance
  • Moderate power consumption (105W TDP)
  • Limited single-core performance
  • Limited multi-threaded performance
  • No integrated graphics — discrete GPU required
  • Older generation architecture

"A entry-level AMD Ryzen 9 3900XT processor with balanced performance (single-core 48/100, multi-core 45/100). Suited for basic computing tasks."

Value for Money Beta

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PKRs
PKRs
Intel Core Ultra 5 245KF
VS
AMD Ryzen 9 3900XT
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VALUE INDEX
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Benchmarks

Blender
Blender CPU
Intel Core Ultra 5 245KF +15%
317.45
AMD Ryzen 9 3900XT
276.02
Cinebench
Cinebench 2024 (Single)
Intel Core Ultra 5 245KF +84%
136
AMD Ryzen 9 3900XT
74
Intel Core Ultra 5 245KF AMD Ryzen 9 3900XT
Cinebench 2024 (Multi) 1560 1050

Specifications

GeekBench v6
Specification Intel Core Ultra 5 245KF ↗ AMD Ryzen 9 3900XT ↗
Geekbench 6 (Single-Core) 2941 1680
Geekbench 6 (Multi-Core) 17602 10907
File compression 1360 MB/sec 1040 MB/sec
Clang compilation 144.1 Klines/sec 111.3 Klines/sec
HTML 5 Browser 396.9 pages/sec 217.5 pages/sec
PDF Renderer 462.4 Mpixels/sec 335.3 Mpixels/sec
Text processing 313.6 pages/sec 143.6 pages/sec
Background blur 85.7 images/sec 32.4 images/sec
Photo processing 145.9 images/sec 74.9 images/sec
Ray tracing 30.6 Mpixels/sec 26.4 Mpixels/sec
PassMark
Specification Intel Core Ultra 5 245KF ↗ AMD Ryzen 9 3900XT ↗
Passmark CPU (Single-Core) 4731 2742
Passmark CPU (Multi-Core) 43231 32512
Integer math 99.1 GOps/sec 99.6 GOps/sec
Floating point math 131.9 GOps/sec 58.5 GOps/sec
Find prime numbers 414M Primes/sec 213M Primes/sec
Random string sorting 55.4M Strings/sec 48.2M Strings/sec
Data encryption 33.5 GBytes/sec 28.6 GBytes/sec
Data compression 460.9 MBytes/sec 451.7 MBytes/sec
Physics 3034 Frames/sec 1765 Frames/sec
Extended instructions 37.9B Matrices/sec 28.5B Matrices/sec
Performance Per Watt
Specification Intel Core Ultra 5 245KF ↗ AMD Ryzen 9 3900XT ↗
Cinebench 2024 / Watt 12.5 PPW 10 PPW
Geekbench 6 Multi / Watt 140.8 PPW 103.9 PPW
Passmark CPU Mark / Watt 345.8 PPW 309.6 PPW
Blender / Watt 2.54 PPW 2.63 PPW
General
Specification Intel Core Ultra 5 245KF ↗ AMD Ryzen 9 3900XT ↗
Vendor Intel Amd
Released 11-Oct-24 7-Jul-20
Type Desktop Desktop
Instruction Set x86-64 x86-64
Codename Arrow Lake Zen 2 (Matisse)
Model number 245KF
Integrated GPU No No
Qualcomm Equivalent
CPU
Specification Intel Core Ultra 5 245KF ↗ AMD Ryzen 9 3900XT ↗
P-Cores 6 12
P-Threads 6 24
Base Frequency (P) 4.2 GHz 3.8 GHz
E-Cores 8
E-Threads 8
Base Frequency (E) 3.6 GHz
Total Cores 14 12
Total Threads 14 24
Multiplier 42x 38x
L1 Cache 112K (per core) 64K (per core)
L2 Cache 3MB (per core) 512K (per core)
Unlocked Multiplier Yes Yes
Package
Specification Intel Core Ultra 5 245KF ↗ AMD Ryzen 9 3900XT ↗
Transistors 17.8 billions 3.8 billions
Fabrication Process 3 nm 7 nm
TDP (PL1) 125 W 105 W
Socket FCLGA-1851 AM4
Peak Temperature 105°C 95°C
iGPU
Specification Intel Core Ultra 5 245KF ↗ AMD Ryzen 9 3900XT ↗
Integrated Graphics
GPU Boost Clock
Shading Units
TMUs
ROPs
Execution Units
iGPU FLOPS
Memory Support
Specification Intel Core Ultra 5 245KF ↗ AMD Ryzen 9 3900XT ↗
Memory Types -6400 -3200
Max. Memory Size 192 GB 128 GB
Memory Channels 2 2
Max. Memory Bandwidth 47.68 GB/s
ECC Support Yes Yes

Comparison with Competitors

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