CPU Comparison
AMD
AMD Athlon X4 840
CORE STATE
Kaveri
CORE SPECS
4 Cores / 4 Threads
CLOCK SPEED
3.1 Base / 3.8 GHz Turbo
CACHE
โ
MAX TDP
65W
ARCHITECTURE
Steamroller
PROCESS
28 nm
LAUNCH DATE
2014
VS
INTEL
Core i7-4712HQ
CORE STATE
Haswell
CORE SPECS
4 Cores / 8 Threads
CLOCK SPEED
2.3 Base / 3.3 GHz Turbo
CACHE
6 MB (shared)
MAX TDP
37W
ARCHITECTURE
Haswell
PROCESS
22 nm
LAUNCH DATE
2014
PERFORMANCE BENCHMARKS
cinebench_cinebench_r15_multicore
cinebench_cinebench_r20_multicore
cinebench_cinebench_r20_singlecore
cinebench_cinebench_r23_multicore
cinebench_cinebench_r23_singlecore
cinebench_cinebench_r15_singlecore
geekbench_multicore
geekbench_singlecore
DETAILED SPECIFICATIONS
SPECIFICATION
Athlon X4 840
i7-4712HQ
Core Specs
Cores
4
4
0.0%
Threads
4
8
+100.0%
Base Clock (GHz)
3.1
2.3
-25.8%
Boost Clock (GHz)
3.8
3.3
-13.2%
Frequency (GHz)
3.1
2.3
-25.8%
Turbo Clock (GHz)
3.8
3.3
-13.2%
Multiplier
31
23
-25.8%
SMP CPUs
1
1
0.0%
Cache
L1 Cache
256 KB
64 KB (per core)
L2 Cache
4 MB
256 KB (per core)
L3 Cache
โ
6 MB (shared)
Power
TDP (W)
65
37
-43.1%
Architecture
Architecture
Steamroller
Haswell
Codename
Kaveri
Haswell
Generation
Athlon
(Kaveri)
Core i7
(Haswell)
Process Size
28 nm
22 nm
Transistors
2,411 million
1,400 million
Die Size
245 mmยฒ
177 mmยฒ
Foundry
GlobalFoundries
Intel
Memory
Memory Support
DDR3
DDR3
Memory Bus
Dual-channel
Dual-channel
Memory Bandwidth
34.1 GB/s
25.6 GB/s
ECC Memory
No
No
Platform
Socket
AMD Socket FM2+
Intel BGA 1364
Chipsets
A88X, A85X, A78, A75, A68H
QM87, HM87, HM86
PCIe
Gen 3, 16 Lanes(CPU only)
Gen 3, 16 Lanes(CPU only)
Graphics
Integrated Graphics
โ
Intel HD 4600
Other
Market
Desktop
Mobile
Production Status
End-of-life
End-of-life
Launch Price
โ
$378
Part Number
AD840XYBJABOXAD840XYBI44JA
SR1PZ
Package
ยตPGA
FC-BGA12F