CPUs

Intel Xeon 6544P-B vs Intel Xeon D-2899NT Full Specs

32 Cores
64 Threads
2GHz
22 Cores
44 Threads
2.2GHz
TDP
170W
TDP
135W
Bandwidth
179.2GB/s
DDR5
Bandwidth
102.4GB/s
DDR4
iGPU
0
iGPU
0
Socket
Socket

Xeon 6544P-BXeon 6544P-B-
-
Xeon D-2899NTXeon D-2899NT1,245
x1

32 Cores
22 Cores
64 Threads
44 Threads

Base Clock
2GHz
Base Clock
2.2GHz
Boost Clock
3.3GHz
Boost Clock
3.1GHz
Overclocking
Locked
Overclocking
Locked

L1i
64KB
L1i
32KB
L1d
48KB
L1d
48KB
L2
2MB
L2
1.25MB
L3
128MB
L3
30MB

Type
DDR5
Type
DDR4
Max Memory
1.13TB
Max Memory
1.02TB
ECC
Yes
ECC
Yes
Channels
4
Channels
4
Bus Width
256-bit
Bus Width
256-bit
Speed
5600MT/s
Speed
3200MT/s
Bandwidth
179.2GB/s
Bandwidth
102.4GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
179.2GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
102.4GB/s

TDP
170W
TDP
135W
T-Case
85°C Max
T-Case
-

Bus Type
-
Bus Type
DMI
Bus Config
-
Bus Config
4 lanes
Bus Speed
-
Bus Speed
8GT/s
Bus Bandwidth
-
Bus Bandwidth
4GB/s

PCIe
PCIe 5.0 x32
126GB/sBandwidth
PCIe
PCIe 4.0 x32
63GB/sBandwidth
PCIe Secondary
PCIe 4.0 x16
31.5GB/sBandwidth
-

NPU Model
-
NPU Model
DL Boost

Manufacturer
Manufacturer
ISA
x86-64
ISA
x86-64
Architecture
Architecture
Family
Family
Branding
Xeon 2024 branding
Branding
Xeon D 2020 branding
Codename
Granite Rapids-D
27Die
Granite Rapids-HCCVariant
Redwood CoveP-Core
32M-Core
Codename
Ice Lake-SP
-
Ice Lake-SP-HCCVariant
Sunny CoveP-Core
-
Market Segment
Server
Market Segment
Server
Release Date
Dec 1, 2025
Release Date
Dec 1, 2023

Foundry
Intel
Foundry
Intel
Other Foundries
IntelIO
Other Foundries
-
Fabrication Node
Intel 3
Intel 7IO
Fabrication Node
10nm+
-
Die Size
598mm²
482mm²IO
Die Size
495mm²
-
Transistor Count
-
Transistor Count
26.8 Billion
Transistor Density
-
Transistor Density
54 MTr/mm²

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