Intel Core i7-6785R vs Intel Pentium E2140

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i7-6785R or Intel Core i7-6785R – which processor offers superior performance? In this comparison, we examine disparities and assess which of these two CPUs outperforms the other. We delve into technical specifications and benchmark outcomes.
The Intel Core i7-6785R features 4 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q2/2016 and belongs to the 6 generation of the Intel Core i7 series.
To use the Intel Core i7-6785R, you'll need a motherboard with a BGA 1440 socket.
The Intel Pentium E2140 features 2 processor cores and has the capability to manage 2 threads concurrently.
It was released in Q2/2007 and belongs to the 0 generation of the Intel Pentium series.
To use the Intel Pentium E2140, you'll need a motherboard with a LGA 775 socket.
Desktop / Server Segment Desktop / Server
Intel Core i7-6785R Name Intel Pentium E2140
Intel Core i7 Family Intel Pentium
6 Generation 0
Intel Core i 6000 Group Intel Pentium D
 
 

CPU Cores and Base Frequency

The Intel Core i7-6785R has 4 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the Intel Core i7-6785R is 3.3 GHz
and turbo frequency for one core is 3.9 GHz.
The Intel Pentium E2140 has 2 CPU cores and can calculate 2 threads in parallel.
The clock frequency of the Intel Pentium E2140 is 1.6 GHz
3.9 GHz Turbo Frequency (1 core) None
No Overclocking Yes
normal Core architecture normal
3.3 GHz Frequency 1.6 GHz
8 Threads 2
3.5 GHz Turbo Frequency (all cores) None
Yes Hyperthreading No
4 CPU Cores 2
4x Cores 2x Core
 
 

Internal Graphics

The Intel Core i7-6785R has integrated graphics, called iGPU for short.
Specifically, the Intel Core i7-6785R uses the Intel Iris Pro Graphics 580, which has 576 texture shaders
and 72 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The Intel Pentium E2140 does not have integrated graphics.
0.35 GHz GPU frequency --
Q3/2015 Release date --
12.0 Direct X --
Intel Iris Pro Graphics 580 GPU name
14 nm Technology --
-- Max. displays --
576 Shaders --
32.0 GB Max. GPU Memory 0 bytes
72 Execution units --
9 Generation --
1.15 GHz GPU (Turbo) --
 
 

Artificial Intelligence and Machine Learning

-- AI specifications --
-- AI hardware --
 
 

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.
Decode / Encode AVC --
Decode VC-1 --
Decode VP9 --
Decode h265 / HEVC (10 bit) --
Decode / Encode h264 --
Decode / Encode VP8 --
Decode / Encode h265 / HEVC (8 bit) --
Decode / Encode JPEG --
No AV1 --
 
 

Memory & PCIe

The processor supports a maximum memory capacity of 64.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 34.1 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
2 Memory channels 2
64.0 GB Max. Memory 16.0 GB
pci PCIe pci
Yes AES-NI No
No ECC No
34.1 GB/s Bandwidth --
DDR4-2133 Memory type DDR3-1066, DDR2-800
 
 

Thermal Management

The processor has a thermal design power (TDP) of 65 W watts.
TDP indicates the cooling solution needed to effectively manage the processor's heat. It generally provides an approximate indication of the actual power consumption of the CPU itself.
-- Tjunction max --
65 W TDP (PL1 / PBP) 65 W
 
 

Technical details

The Intel Core i7-6785R is manufactured using a 14 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 8.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Pentium E2140 is manufactured using a 65 nm process.
Q2/2016 Release date Q2/2007
-- Part Number --
0 bytes L2-Cache 1.0 MB
VT-x, VT-x EPT, VT-d Virtualization None
SSE4.1, SSE4.2, AVX2 ISA extensions
Monolithic Chip design Monolithic
Skylake S Architecture Presler
14 nm Technology 65 nm
BGA 1440 Socket LGA 775
Windows 10, Linux Operating systems Windows 10, Linux
-- Release price --
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
8.0 MB L3-Cache 0 bytes