Intel Core i7-7820X vs Intel Pentium E6700

Head-to-head processor comparison

Aggregated Scores

Combined benchmark scores for both processors


Overall Score

Out of 2,060 results in the database

5,843

Rank #308

vs
4,318

Rank #1,497

5,843
4,318

Core i7-7820X wins by 26.1% (Rank #308 vs #1497)

Singlecore Score

Out of 2,060 results in the database

5,998

Rank #269

vs
4,307

Rank #1,482

5,998
4,307

Core i7-7820X wins by 28.2% (Rank #269 vs #1482)

Multicore Score

Out of 2,060 results in the database

5,610

Rank #351

vs
4,334

Rank #1,628

5,610
4,334

Core i7-7820X wins by 22.7% (Rank #351 vs #1628)

Number Crunching

Out of 1,771 results in the database

5,018

Rank #375

vs
4,496

Rank #1,559

5,018
4,496

Core i7-7820X wins by 10.4% (Rank #375 vs #1559)

Data Processing

Out of 1,771 results in the database

5,096

Rank #374

vs
4,470

Rank #1,529

5,096
4,470

Core i7-7820X wins by 12.3% (Rank #374 vs #1529)

Physics & Compute

Out of 1,771 results in the database

5,205

Rank #281

vs
4,462

Rank #1,655

5,205
4,462

Core i7-7820X wins by 14.3% (Rank #281 vs #1655)


Specifications

Side-by-side comparison of key specifications


Specification Core i7-7820X Pentium E6700 Diff
Cores
8
2
+75%
Threads
16
4
+75%
Base Frequency
3,600 MHz
3,160 MHz
+12.2%
Turbo Frequency (1 core)
4,300 MHz
--
Turbo Frequency (2 cores)
4,300 MHz
--
Clock Multiplier
36x
12x
+66.7%
L1 Cache
512 KB
62 KB
+87.8%
L2 Cache
8 MiB
2 MiB
+76.2%
L3 Cache
11 MiB
--
Memory Channels
4
2
+50%
Maximum Memory
128 GB
0 GB
+100%
Max Bandwidth
79 GB/s
26 GB/s
+67.8%
PCIe Lanes
28
12
+57.1%
Max CPUs
1
1
0%
TDP (lower is better)
140 W
65 W
53.6% more
Process (lower is better)
14 nm
45 nm
68.9% less

General Information

Specification Core i7-7820X Pentium E6700
Designer Intel Intel
Family Core --
Series i7-7000 --
Model Number i7-7820X E8500
Microarchitecture Skylake --
Core Name Skylake Wolfdale
Core Family 6 --
Core Model 85 --
Socket Socket LGA775
Package FCLGA-2066 FC-LGA8
Chipset Lewisburg --
Memory Type DDR4-2666 LPDDR3 1333/1600; DDR3L/DDR3L-RS 1600
ECC Support No No
PCIe Revision 3.0 2.0
PCIe Configuration 1x16+1x8+1x4, 3x8+1x4 x1 (6), x2 (4), x4 (3)
Market Segment Desktop Desktop
Release Price $599.00 --
Locked Multiplier No Yes

Designer

Core i7-7820X
Intel
Pentium E6700
Intel

Family

Core i7-7820X
Core
Pentium E6700
--

Series

Core i7-7820X
i7-7000
Pentium E6700
--

Model Number

Core i7-7820X
i7-7820X
Pentium E6700
E8500

Microarchitecture

Core i7-7820X
Skylake
Pentium E6700
--

Core Name

Core i7-7820X
Skylake
Pentium E6700
Wolfdale

Core Family

Core i7-7820X
6
Pentium E6700
--

Core Model

Core i7-7820X
85
Pentium E6700
--

Socket

Core i7-7820X
Socket
Pentium E6700
LGA775

Package

Core i7-7820X
FCLGA-2066
Pentium E6700
FC-LGA8

Chipset

Core i7-7820X
Lewisburg
Pentium E6700
--

Memory Type

Core i7-7820X
DDR4-2666
Pentium E6700
LPDDR3 1333/1600; DDR3L/DDR3L-RS 1600

ECC Support

Core i7-7820X
No
Pentium E6700
No

PCIe Revision

Core i7-7820X
3.0
Pentium E6700
2.0

PCIe Configuration

Core i7-7820X
1x16+1x8+1x4, 3x8+1x4
Pentium E6700
x1 (6), x2 (4), x4 (3)

Market Segment

Core i7-7820X
Desktop
Pentium E6700
Desktop

Release Price

Core i7-7820X
$599.00
Pentium E6700
--

Locked Multiplier

Core i7-7820X
No
Pentium E6700
Yes

Physical Specifications

Manufacturing process and die characteristics


Specification Core i7-7820X Pentium E6700
Process 14 nm 45 nm
Die Area -- 82 mm²
Transistor Count -- 0.00 billion
Manufacturer Intel Intel
Technology CMOS --
Word Size 64-bit 64-bit
ISA x86-64 (x86) --

Process

Core i7-7820X
14 nm
Pentium E6700
45 nm

Die Area

Core i7-7820X
--
Pentium E6700
82 mm²

Transistor Count

Core i7-7820X
--
Pentium E6700
0.00 billion

Manufacturer

Core i7-7820X
Intel
Pentium E6700
Intel

Technology

Core i7-7820X
CMOS
Pentium E6700
--

Word Size

Core i7-7820X
64-bit
Pentium E6700
64-bit

ISA

Core i7-7820X
x86-64 (x86)
Pentium E6700
--

Integrated Graphics

Integrated GPU specifications comparison


Specification Core i7-7820X Pentium E6700
GPU -- HD Graphics 5300
GPU Designer -- Intel
GPU Max Frequency -- 900 MHz

GPU

Core i7-7820X
--
Pentium E6700
HD Graphics 5300

GPU Designer

Core i7-7820X
--
Pentium E6700
Intel

GPU Max Frequency

Core i7-7820X
--
Pentium E6700
900 MHz

CPU Extensions

Supported instruction set extensions comparison


Extension Core i7-7820X Pentium E6700
ABM
ADX
AES
AVX
AVX-512
AVX-512
AVX2
AVX512BW
AVX512CD
AVX512DQ
AVX512F
AVX512VL
AVX512_VNNI
BMI1
BMI2
CLMUL
DL Boost
EIST
EMMX
EPT
F16C
FMA
FMA3
FPU
Flex Memory
HT
IPT
KPT
MBE Ctrl
MMX
NM
NX
PTT
Protected
RdRand
Real
Run Sure
SIPP
SMEP
SMM
SSE
SSE2
SSE3
SSE4.1
SSE4.2
SSSE3
SST
Secure Key
TBMT 3.0
TBT 2.0
TSX
TXT
VMD
VT-d
VT-x
vPro
x86-16
x86-32
x86-64