AMD Ryzen 9 3900XT vs Intel Core Ultra 9 285
We compared two desktop CPUs: AMD Ryzen 9 3900XT with 12 cores 3.8GHz and Intel Core Ultra 9 285 with 24 cores 2.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
AMD Ryzen 9 3900XT Advantages
Higher base frequency (3.8GHz vs 2.5GHz)
Larger L3 cache size (64MB vs 36MB)
Intel Core Ultra 9 285 Advantages
Released 4 years and 5 months late
Integrated graphics card
Higher specification of memory (6400 vs 3200)
Larger memory bandwidth (102.4GB/s vs 47.68GB/s)
Newer PCIe version (5.0 vs 4.0)
More modern manufacturing process (3nm vs 7nm)
Lower TDP (65W vs 105W)
Score
Benchmark
Cinebench R23 Single Core
AMD Ryzen 9 3900XT
1350
Intel Core Ultra 9 285
+61%
2178
Cinebench R23 Multi Core
AMD Ryzen 9 3900XT
18437
Intel Core Ultra 9 285
+80%
33309
Geekbench 6 Single Core
AMD Ryzen 9 3900XT
1763
Intel Core Ultra 9 285
+81%
3194
Geekbench 6 Multi Core
AMD Ryzen 9 3900XT
11025
Intel Core Ultra 9 285
+96%
21649
Cinebench 2024 Single Core
AMD Ryzen 9 3900XT
79
Intel Core Ultra 9 285
+68%
133
Cinebench 2024 Multi Core
AMD Ryzen 9 3900XT
1074
Intel Core Ultra 9 285
+84%
1979
General Parameters
Jul 2020
Release Date
Dec 2024
AMD
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Zen 2 (Matisse)
Core Architecture
Arrow Lake
-
Processor Number
285
AM4
Socket
FCLGA-1851
No
Integrated Graphics
Arc Graphics
-
Generation
Ultra 9 (Arrow Lake)
Package
3.8 billions
Transistor Count
17.8 billions
7 nm
Manufacturing Process
3 nm
105 W
Power Consumption
65 W
-
Max Turbo Power Consumption
182 W
95°C
Peak Operating Temperature
105 °C
-
Foundry
TSMC
-
Die Size
243 mm²
CPU Performance
12
Performance Cores
8
24
Performance Core Threads
8
3.8 GHz
Performance Core Base Frequency
2.5 GHz
4.7 GHz
Performance Core Turbo Frequency
5.6 GHz
-
Efficiency Cores
16
-
Efficiency Core Threads
16
-
Efficiency Core Base Frequency
1.9 GHz
-
Efficiency Core Turbo Frequency
4.6 GHz
12
Total Core Count
24
24
Total Thread Count
24
100 MHz
Bus Frequency
100 MHz
38x
Multiplier
25
64 K per core
L1 Cache
192 K per core
512 K per core
L2 Cache
3 MB per core
64 MB shared
L3 Cache
36 MB shared
Yes
Unlocked Multiplier
No
-
SMP
1
Memory Parameters
DDR4-3200
Memory Types
DDR5-6400
128 GB
Max Memory Size
256 GB
2
Max Memory Channels
2
47.68 GB/s
Max Memory Bandwidth
102.4 GB/s
Yes
ECC Memory Support
Yes
Graphics Card Parameters
-
Integrated Graphics
true
-
GPU Base Frequency
600 MHz
-
GPU Max Dynamic Frequency
2000 MHz
-
Shader Units
512
-
Execution Units
4
-
Graphics Performance
1.79 TFLOPS
