Intel Core i9-11900 vs AMD Ryzen 9 3900XT
Intel Core i9-11900
$439
AMD Ryzen 9 3900XT
$499
|
8 Cores
16 Threads
2.5GHz Clock
|
12 Cores
24 Threads
3.8GHz Clock
|
|
Socket
LGA 1200
|
Socket
AM4
|
|
iGPU
UHD 750 1300MHz
670 GFLOPS FP32
|
iGPU
No GPU
- -
|
GB6 Single-Core
|
|
Core i9-11900 - GB6S 2,250
x1.29
Ryzen 9 3900XT - GB6S 1,745
x1
GB6 Multi-Core
|
|
Core i9-11900 - GB6M 9,100
x1
Ryzen 9 3900XT - GB6M 10,040
x1.1
CB23 Single-Core
|
|
Core i9-11900 - CB23S 1,495
x1.1
Ryzen 9 3900XT - CB23S 1,365
x1
CB23 Multi-Core
|
|
Core i9-11900 - CB23M 13,360
x1
Ryzen 9 3900XT - CB23M 18,515
x1.39
|
|
Core i9-11900 - 51.2GB/s
x1
Ryzen 9 3900XT - 51.2GB/s
x1
|
|
Core i9-11900 - 65W
x1
Ryzen 9 3900XT - 105W
x1.62
|
GB6S 2,250
55%
|
GB6S 1,745
43%
|
|
GB6M 9,100
34%
|
GB6M 10,040
38%
|
|
CB23S 1,495
58%
|
CB23S 1,365
52%
|
|
CB23M 13,360
31%
|
CB23M 18,515
43%
|
|
Manufacturer
Intel
|
Manufacturer
AMD
|
|
Architecture
Rocket Lake
|
Architecture
Zen 2
|
|
Family
Core 11th Gen
|
Family
Ryzen 3000
|
|
Instruction Set (ISA)
x86-64
|
Instruction Set (ISA)
x86-64
|
|
Codename
Rocket Lake-S
-
-
Cypress Cove
|
Codename
Matisse
Aspen Highlands
Matisse 2CCD
-
|
|
Market Segment
Desktop
|
Market Segment
Desktop
|
|
Release Date
3/16/2021
|
Release Date
7/7/2020
|
|
Foundry
Intel
-
|
Foundry
TSMC
GlobalFoundries (IO Die)
|
|
Node
14nm++++
-
|
Node
N7
12LP (IO Die)
|
|
Die Size
276 mm²
-
|
Die Size
2x 74 mm²
125 mm² (IO Die)
|
|
Transistor Count
6.9 Billion
-
|
Transistor Count
2x 3.8 Billion
2.1 Billion (IO Die)
|
|
8 Cores
|
12 Cores
|
|
16 Threads
|
24 Threads
|
|
2.5GHz
5.1GHz Boost
|
3.8GHz
4.7GHz Boost
|
|
Overclocking
Locked
|
Overclocking
Unlocked
|
|
Type
DMI
|
Type
PCIe
|
|
Transfer Rate
8GT/s
|
Transfer Rate
16GT/s
|
|
Lanes
8
|
Lanes
4
|
|
Bandwidth
8GB/s
|
Bandwidth
8GB/s
|
|
Bi-directional
16GB/s
|
Bi-directional
16GB/s
|
|
L0 Instruction
|
L0 Instruction
|
|
L0 Data
|
L0 Data
|
|
L1 Instruction
32KB/Core
8-way set associative
|
L1 Instruction
32KB/Core
8-way set associative
|
|
L1 Data
48KB/Core
12-way set associative
|
L1 Data
32KB/Core
8-way set associative
|
|
L2
512KB/Core
8-way set associative
|
L2
512KB/Core
8-way set associative
|
|
L3
16MB Shared
16-way set associative
|
L3
64MB Shared
16-way set associative
|
|
Channels
2
|
Channels
2
|
|
Max Memory
128GB
|
Max Memory
128GB
|
|
ECC
Not Supported
|
ECC
Not Supported
|
|
Bus Width/Channel
64Bit
Bus Width
128Bit
|
Bus Width/Channel
64Bit
Bus Width
128Bit
|
|
Clock
1600MHz
Transfer Rate
3200MT/s
|
Clock
1600MHz
Transfer Rate
3200MT/s
|
|
Bandwidth/Channel
25.6GB/s
Bandwidth
51.2GB/s
|
Bandwidth/Channel
25.6GB/s
Bandwidth
51.2GB/s
|
|
TDP
65W
-
|
TDP
105W
145W Peak
|
|
Temp
100°C Max
|
Temp
95°C Max
|
|
Included Cooler
Stock Cooler 1200
|
Included Cooler
Not Included
|
|
PCIe 4.0 x20 Lanes
|
PCIe 4.0 x20 Lanes
|
|
UHD 750 1300MHz
256 Shaders
1300MHz
670 GFLOPS FP32
|
No GPU
-
-
- -
|
|
GNA 2.0
|
No NPU
-
|
|
No Cellular
|
No Cellular
|
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