CPU Comparison
AMD
AMD Ryzen 7 8840HX
CORE STATE
Dragon Range
CORE SPECS
12 Cores / 24 Threads
CLOCK SPEED
2.9 Base / 5.1 GHz Turbo
CACHE
64 MB (shared)
MAX TDP
55W
ARCHITECTURE
Zen 4
PROCESS
5 nm
LAUNCH DATE
2025
VS
INTEL
Core Ultra 7 255H
CORE STATE
Arrow Lake-H
CORE SPECS
16 Cores / 16 Threads
CLOCK SPEED
2000 Base / 5.1 GHz Turbo
CACHE
24 MB (shared)
MAX TDP
28W
ARCHITECTURE
Arrow Lake
PROCESS
3 nm
LAUNCH DATE
2025
PERFORMANCE BENCHMARKS
cinebench_cinebench_r15_multicore
cinebench_cinebench_r15_singlecore
cinebench_cinebench_r20_multicore
cinebench_cinebench_r20_singlecore
cinebench_cinebench_r23_multicore
cinebench_cinebench_r23_singlecore
DETAILED SPECIFICATIONS
SPECIFICATION
7 8840HX
Ultra 7 255H
Core Specs
Cores
12
16
+33.3%
Threads
24
16
-33.3%
Base Clock (GHz)
2.9
2,000
+68865.5%
Boost Clock (GHz)
5.1
5.1
0.0%
Frequency (GHz)
2.9
2,000
+68865.5%
Turbo Clock (GHz)
5.1
5.1
0.0%
Multiplier
29
20
-31.0%
SMP CPUs
1
1
0.0%
Cache
L1 Cache
64 KB (per core)
192 KB (per core)
L2 Cache
1 MB (per core)
3 MB (per core)
L3 Cache
64 MB (shared)
24 MB (shared)
Power
TDP (W)
55
28
-49.1%
PL1
โ
28 W
PL2
โ
60 W
Configurable TDP
45-75 W
โ
Architecture
Architecture
Zen 4
Arrow Lake
Codename
Dragon Range
Arrow Lake-H
Generation
Ryzen 7
(Zen 4 (Dragon Range))
Ultra 7
(Arrow Lake-H)
Process Size
5 nm
3 nm
Transistors
13,140 million
โ
Die Size
2x 71 mmยฒ
โ
Foundry
TSMC
TSMC
Memory
Memory Support
DDR5
DDR5, LPDDR5X
Memory Bus
Dual-channel
Dual-channel
Memory Bandwidth
83.2 GB/s
102.4 GB/s
ECC Memory
No
Yes
Platform
Socket
AMD Socket FL1
Intel BGA 2049
Chipsets
โ
WM880, HM870
PCIe
Gen 5, 28 Lanes(CPU only)
Gen 5, 20 Lanes(CPU only)
Intel Hybrid
Hybrid Cores
โ
P-Cores: 6
E-Cores: 10
E-Core Frequency
โ
1500 MHz
up to 4.4 GHz
LP E-Cores
โ
2
AMD Multi-Die
IO Process Size
6 nm
โ
AI/NPU
NPU
โ
Yes /
13 TOPS
Graphics
Integrated Graphics
Radeon 610M
Arc Graphics 140T
Other
Market
Mobile
Mobile
Production Status
Active
Active
Part Number
100-000001850
SRQAN
Package
ยตFC-BGAFL1
FC-BGA
Tj Max
100ยฐC
110ยฐC