GeForce 840A vs GeForce GTX 680
Find out if it is worth upgrading your current GPU setup by comparing GeForce 840A and GeForce GTX 680. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between GeForce 840A and GeForce GTX 680. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.
GeForce 840A
Main Specs
GeForce 840A
GeForce GTX 680
Power consumption (TDP)
33 Watt
195 Watt
Interface
PCIe 3.0 x8
PCIe 3.0 x16
Supplementary power connectors
Two 6-pin
Memory type
DDR3
GDDR5
Maximum RAM amount
2 GB
2048 MB
Display Connectors
No outputs
2x DVI, 1x HDMI, 1x DisplayPort
Check Price
GeForce GTX 680 has 490% more power consumption, than GeForce 840A.
GeForce 840A is connected by PCIe 3.0 x8, and GeForce GTX 680 uses PCIe 3.0 x16 interface.
GeForce GTX 680 has 2046 GB more memory, than GeForce 840A.
Both cards are used in Desktops.
GeForce 840A is build with Maxwell architecture, and GeForce GTX 680 - with Kepler.
Core clock speed of GeForce 840A is 23 MHz higher, than GeForce GTX 680.
GeForce 840A and GeForce GTX 680 are manufactured by 28 nm process technology.
Memory clock speed of GeForce GTX 680 is 3998 MHz higher, than GeForce 840A.
Game benchmarks
Assassin's Creed Odyssey
Battlefield 5
Call of Duty: Warzone
Counter-Strike: Global Offensive
Cyberpunk 2077
Dota 2
Far Cry 5
Fortnite
Forza Horizon 4
Grand Theft Auto V
Metro Exodus
Minecraft
PLAYERUNKNOWN'S BATTLEGROUNDS
Red Dead Redemption 2
The Witcher 3: Wild Hunt
World of Tanks
high / 1080p
3−4
35−40
ultra / 1080p
2−3
21−24
QHD / 1440p
0−1
16−18
4K / 2160p
−
10−11
low / 720p
14−16
60−65
medium / 1080p
5−6
40−45
The average gaming FPS of GeForce GTX 680 in Assassin's Creed Odyssey is 583% more, than GeForce 840A.
high / 1080p
−
55−60
ultra / 1080p
7−8
45−50
QHD / 1440p
0−1
35−40
4K / 2160p
−
18−20
low / 720p
18−20
100−110
medium / 1080p
8−9
60−65
The average gaming FPS of GeForce GTX 680 in Battlefield 5 is 545% more, than GeForce 840A.
low / 768p
45−50
50−55
high / 1080p
30−35
−
QHD / 1440p
0−1
0−1
The average gaming FPS of GeForce GTX 680 in Call of Duty: Warzone is 10% more, than GeForce 840A.
low / 768p
120−130
250−260
medium / 768p
90−95
220−230
ultra / 1080p
40−45
180−190
QHD / 1440p
24−27
110−120
4K / 2160p
18−20
70−75
high / 768p
65−70
210−220
The average gaming FPS of GeForce GTX 680 in Counter-Strike: Global Offensive is 185% more, than GeForce 840A.
low / 768p
80−85
60−65
ultra / 1080p
14−16
−
medium / 1080p
40−45
55−60
The average gaming FPS of GeForce 840A in Cyberpunk 2077 is 3% more, than GeForce GTX 680.
low / 768p
75−80
120−130
medium / 768p
50−55
110−120
ultra / 1080p
27−30
100−110
The average gaming FPS of GeForce GTX 680 in Dota 2 is 121% more, than GeForce 840A.
high / 1080p
5−6
45−50
ultra / 1080p
−
40−45
QHD / 1440p
−
27−30
4K / 2160p
2−3
14−16
low / 720p
14−16
80−85
medium / 1080p
6−7
45−50
The average gaming FPS of GeForce GTX 680 in Far Cry 5 is 585% more, than GeForce 840A.
high / 1080p
12−14
60−65
ultra / 1080p
7−8
45−50
QHD / 1440p
−
27−30
4K / 2160p
−
27−30
low / 720p
50−55
180−190
medium / 1080p
14−16
110−120
The average gaming FPS of GeForce GTX 680 in Fortnite is 363% more, than GeForce 840A.
high / 1080p
7−8
60−65
ultra / 1080p
−
45−50
QHD / 1440p
0−1
30−35
4K / 2160p
−
24−27
low / 720p
20−22
100−110
medium / 1080p
9−10
65−70
The average gaming FPS of GeForce GTX 680 in Forza Horizon 4 is 550% more, than GeForce 840A.
low / 768p
45−50
140−150
medium / 768p
−
120−130
high / 1080p
8−9
70−75
ultra / 1080p
5−6
30−35
QHD / 1440p
0−1
21−24
medium / 720p
40−45
−
The average gaming FPS of GeForce GTX 680 in Grand Theft Auto V is 315% more, than GeForce 840A.
high / 1080p
3−4
24−27
ultra / 1080p
1−2
20−22
QHD / 1440p
−
16−18
4K / 2160p
0−1
8−9
low / 720p
8−9
65−70
medium / 1080p
4−5
30−35
The average gaming FPS of GeForce GTX 680 in Metro Exodus is 800% more, than GeForce 840A.
low / 768p
85−90
130−140
high / 1080p
85−90
−
ultra / 1080p
80−85
−
medium / 1080p
85−90
120−130
The average gaming FPS of GeForce GTX 680 in Minecraft is 49% more, than GeForce 840A.
ultra / 1080p
12−14
14−16
low / 720p
27−30
100−110
medium / 1080p
14−16
18−20
The average gaming FPS of GeForce GTX 680 in PLAYERUNKNOWN'S BATTLEGROUNDS is 155% more, than GeForce 840A.
high / 1080p
−
24−27
ultra / 1080p
7−8
16−18
QHD / 1440p
0−1
10−11
4K / 2160p
−
7−8
low / 720p
8−9
65−70
medium / 1080p
−
35−40
The average gaming FPS of GeForce GTX 680 in Red Dead Redemption 2 is 425% more, than GeForce 840A.
low / 768p
16−18
130−140
medium / 768p
12−14
85−90
high / 1080p
6−7
45−50
ultra / 1080p
5−6
24−27
4K / 2160p
−
16−18
The average gaming FPS of GeForce GTX 680 in The Witcher 3: Wild Hunt is 630% more, than GeForce 840A.
low / 768p
70−75
90−95
medium / 768p
35−40
60−65
ultra / 1080p
16−18
50−55
high / 768p
30−35
60−65
The average gaming FPS of GeForce GTX 680 in World of Tanks is 71% more, than GeForce 840A.
Full Specs
GeForce 840A
GeForce GTX 680
Architecture
Maxwell
Kepler
Code name
GM108
GK104
Type
Desktop
Desktop
Release date
17 March 2014
22 March 2012
Pipelines
384
1536
Core clock speed
1029 MHz
1006 MHz
Boost Clock
1124 MHz
1058 MHz
Transistor count
3,540 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
17.98
128.8 billion/sec
Floating-point performance
863.2 gflops
3,090.4 gflops
Length
10.0" (25.4 cm)
Memory bus width
64 Bit
256-bit GDDR5
Memory clock speed
2002 MHz
6000 MHz
Memory bandwidth
16.02 GB/s
192.2 GB/s
Shared memory
-
DirectX
12 (11_0)
12 (11_0)
Shader Model
5.1
5.1
OpenGL
4.6
4.2
OpenCL
1.2
1.2
Vulkan
1.1.126
1.1.126
CUDA
5.0
+
CUDA cores
1536
Bus support
PCI Express 3.0
Height
4.376" (11.1 cm)
SLI options
+
Multi monitor support
4 displays
HDMI
+
HDCP
+
Maximum VGA resolution
2048x1536
Audio input for HDMI
Internal
Bitcoin / BTC (SHA256)
121 Mh/s
Ethereum / ETH (DaggerHashimoto)
15 Mh/s
Check Price