CPUs

Intel Xeon 6774P vs Intel Xeon 6776P-B Full Specs

64 Cores
128 Threads
2.5GHz
72 Cores
144 Threads
2.3GHz
TDP
350W
TDP
325W
Bandwidth
512GB/s
·
Bandwidth
409.6GB/s
DDR5
Socket
Socket

Xeon 6774PXeon 6774P512GB/s
x1.25
Xeon 6776P-BXeon 6776P-B409.6GB/s
x1

64 Cores
72 Cores
128 Threads
144 Threads

Base Clock
2.5GHz
Base Clock
2.3GHz
Boost Clock
3.9GHz
Boost Clock
3.5GHz
Overclocking
Locked
Overclocking
Locked

L1i
64KB
L1i
64KB
L1d
48KB
L1d
48KB
L2
2MB
L2
2MB
L3
336MB
L3
288MB

Type
·
Type
DDR5
Max Memory
4.1TB
Max Memory
2.26TB
ECC
Yes
ECC
Yes
Channels
8
Channels
8
Bus Width
512-bit
Bus Width
512-bit
Speed
8000MT/s
Speed
6400MT/s
Bandwidth
512GB/s
Bandwidth
409.6GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
512GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
409.6GB/s

TDP
350W
TDP
325W
Max Operating Temp
100°C Max
Max Operating Temp
-
T-Case
81°C Max
T-Case
85°C Max

PCIe
PCIe 5.0 x136
535.6GB/sBandwidth
PCIe
PCIe 5.0 x32
126GB/sBandwidth
-
PCIe Secondary
PCIe 4.0 x16
31.5GB/sBandwidth

Manufacturer
Manufacturer
ISA
x86-64
ISA
x86-64
Architecture
Architecture
Family
Family
Branding
Xeon 2024 branding
Branding
Xeon 2024 branding
Codename
Granite Rapids-D
85Die
Granite Rapids-XCCVariant
Redwood CoveP-Core
64M-Core
Codename
Granite Rapids-D
85Die
Granite Rapids-XCCVariant
Redwood CoveP-Core
72M-Core
Market Segment
Server
Market Segment
Server
Release Date
May 22, 2025
Release Date
Dec 1, 2025

Foundry
Intel
Foundry
Intel
Other Foundries
IntelIO
Other Foundries
IntelIO
Fabrication Node
Intel 3
Intel 7IO
Fabrication Node
Intel 3
Intel 7IO
Die Size
1196mm²
482mm²IO
Die Size
1196mm²
482mm²IO

No images available
No images available