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AMD

Phenom II X4 840

▲ 5438 ▼

Release date ≤ Q1 2014.

Average Bench: 52.1% (672nd of 1276)

Based on 5,014 user benchmarks.  Device: 178BFBFF00100F53 Model: AMD Phenom(tm) II X4 840 Processor
Poor: 41%Average: 52.1% Great: 60%
Gaming
Gaming 52%
Yacht
Desktop
Desktop 54%
Yacht
Workstation
Workstation 38%
Jet ski

Popular builds with this CPU

Average average bench

The AMD Phenom II X4 840 averaged 47.8% lower than the peak scores attained by the group leaders. This isn't a great result which indicates that there are much faster alternatives on the comparison list.

Strengths

Avg. Memory Latency 67.8Pts
Avg. Single Core Mixed Speed 56.4Pts

Very good consistency

The range of scores (95th - 5th percentile) for the AMD Phenom II X4 840 is just 18.2%. This is a relatively narrow range which indicates that the AMD Phenom II X4 840 performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. Multi Core Mixed Speed 216Pts
Avg. Octa Core Mixed Speed 214Pts
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Average Bench

(Based on 5,014 samples)
Rank 67252.1%
Min Avg Max
51.2 Memory 67.8 80.1
44.2 1-Core 56.4 59.7
83.1 2-Core 112 119
49% 78.8 Pts
Min Avg Max
131 4-Core 212 238
128 8-Core 214 238
29% 213 Pts
Min Avg Max
145 64-Core 216 241
14.5% 216 Pts
User Benchmarks Bench Normal Heavy Server
The fastest CPU (mainstream) averages a speed of 100%
AM3, 1 CPU, 4 cores, 4 threads
Base clock 3.2 GHz, turbo 3.2 GHz (avg)
62.1% Good
Memory 77.3
1-Core 70.2
2-Core 143
59% 96.7 Pts
4-Core 273
8-Core 275
37% 274 Pts
64-Core 281
19% 281 Pts
AM3, 1 CPU, 4 cores, 4 threads
Base clock 3.6 GHz, turbo 3.6 GHz (avg)
62% Good
Memory 79.1
1-Core 65.4
2-Core 132
57% 92 Pts
4-Core 261
8-Core 261
36% 261 Pts
64-Core 268
18% 268 Pts
CPU1, 1 CPU, 4 cores, 4 threads
Base clock 3.2 GHz, turbo 3.2 GHz (avg)
56.1% Above average
Memory 72.3
1-Core 57.1
2-Core 112
51% 80.6 Pts
4-Core 233
8-Core 226
32% 230 Pts
64-Core 220
15% 220 Pts
Socket M2, 1 CPU, 4 cores, 4 threads
Base clock 3.2 GHz, turbo 3.2 GHz (avg)
55.4% Above average
Memory 70.9
1-Core 58.1
2-Core 117
51% 82 Pts
4-Core 232
8-Core 234
32% 233 Pts
64-Core 229
15% 229 Pts
AM3R2, 1 CPU, 4 cores, 4 threads
Base clock 3.2 GHz, turbo 3.2 GHz (avg)
49.7% Average
Memory 58.8
1-Core 59.4
2-Core 119
48% 79 Pts
4-Core 237
8-Core 235
32% 236 Pts
64-Core 239
16% 239 Pts
AM3, 1 CPU, 4 cores, 4 threads
Base clock 3.2 GHz, turbo 3.2 GHz (avg)
48% Average
Memory 55.5
1-Core 59.3
2-Core 118
46% 77.6 Pts
4-Core 235
8-Core 234
32% 234 Pts
64-Core 232
16% 232 Pts
AM3, 1 CPU, 4 cores, 4 threads
Base clock 3.2 GHz, turbo 3.2 GHz (avg)
44.7% Average
Memory 55.8
1-Core 57.9
2-Core 97
44% 70.2 Pts
4-Core 199
8-Core 177
26% 188 Pts
64-Core 149
10% 149 Pts
CPU1, 1 CPU, 4 cores, 4 threads
Base clock 3.2 GHz, turbo 3.2 GHz (avg)
37.8% Below average
Memory 50.6
1-Core 48.1
2-Core 100
40% 66.3 Pts
4-Core 152
8-Core 114
19% 133 Pts
64-Core 144
10% 144 Pts
5,014 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 36,297,663 CPUs tested.

 Prices

AmazonUS $1506 years
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Custom PC Builder (Start a new build) Build your perfect PC: compare component prices, popularity, speed and value for money.

CHOOSE A COMPONENT:

CPU GPU SSD HDD RAM MBD
Typical Phenom II X4 840 Builds (Compare 5,998 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 5%
Tree trunk
Desktop
Desktop 47%
Yacht
Workstation
Workstation 4%
Tree trunk

Motherboard: Asus M5A78L-M/USB3 - $53

CPU
Phenom II X4 840AMD  $150Bench 52%, 5,014 samples1x
GPU
Radeon 3000 GraphicsATIBench 0%, 17,825 samples429x
GTX 1050-TiNvidia  $145Bench 30%, 623,459 samples406x
GTX 750-TiNvidia  $110Bench 17%, 226,609 samples289x
SSD
A400 240GBKingston  $28Bench 66%, 221,170 samples197x
SSDNow V300 120GBKingston  $67Bench 54%, 237,721 samples168x
A400 120GBKingston  $20Bench 60%, 113,603 samples155x
RAM
2x4GBUnknownBench 39%, 297,574 samples1,554x
2x8GBUnknownBench 56%, 158,384 samples1,040x
4x4GBUnknownBench 44%, 79,240 samples859x
EDIT WITH CUSTOM PC BUILDER Value: 55% - Above average Total price: $231

Popular Phenom II X4 840 compatible motherboards:

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Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Best value for money - Value for money is based on real world performance.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.

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