Maxwell GPU Surface Book 940M GDDR5 vs Radeon HD 6790
Find out if it is worth upgrading your current GPU setup by comparing Maxwell GPU Surface Book 940M GDDR5 and Radeon HD 6790. 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 Maxwell GPU Surface Book 940M GDDR5 and Radeon HD 6790. 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.
Maxwell GPU Surface Book 940M GDDR5 is a Laptop Graphics Card
Note: Maxwell GPU Surface Book 940M GDDR5 is only used in laptop graphics. It has lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with Maxwell GPU Surface Book 940M GDDR5 here:
Main Specs
Maxwell GPU Surface Book 940M GDDR5
Radeon HD 6790
Power consumption (TDP)
150 Watt
Interface
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
1 GB
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
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Maxwell GPU Surface Book 940M GDDR5 and Radeon HD 6790 have maximum RAM of 1 GB.
Maxwell GPU Surface Book 940M GDDR5 is used in Laptops, and Radeon HD 6790 - in Desktops.
Maxwell GPU Surface Book 940M GDDR5 is build with Maxwell architecture, and Radeon HD 6790 - with Terascale 2.
Core clock speed of Maxwell GPU Surface Book 940M GDDR5 is 114 MHz higher, than Radeon HD 6790.
Maxwell GPU Surface Book 940M GDDR5 is manufactured by 28 nm process technology, and Radeon HD 6790 - by 40 nm process technology.
Memory clock speed of Maxwell GPU Surface Book 940M GDDR5 is 3962 MHz higher, than Radeon HD 6790.
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
9−10
7−8
ultra / 1080p
5−6
4−5
QHD / 1440p
0−1
0−1
low / 720p
21−24
18−20
medium / 1080p
12−14
9−10
The average gaming FPS of Maxwell GPU Surface Book 940M GDDR5 in Assassin's Creed Odyssey is 20% more, than Radeon HD 6790.
high / 1080p
16−18
12−14
ultra / 1080p
14−16
10−12
QHD / 1440p
0−1
0−1
low / 720p
30−35
27−30
medium / 1080p
16−18
14−16
The average gaming FPS of Maxwell GPU Surface Book 940M GDDR5 in Battlefield 5 is 25% more, than Radeon HD 6790.
low / 768p
45−50
45−50
high / 1080p
−
45−50
QHD / 1440p
0−1
0−1
Maxwell GPU Surface Book 940M GDDR5 and Radeon HD 6790 have the same average FPS in Call of Duty: Warzone.
low / 768p
160−170
140−150
medium / 768p
130−140
120−130
ultra / 1080p
70−75
60−65
QHD / 1440p
40−45
30−35
4K / 2160p
30−33
27−30
high / 768p
100−110
90−95
The average gaming FPS of Maxwell GPU Surface Book 940M GDDR5 in Counter-Strike: Global Offensive is 12% more, than Radeon HD 6790.
low / 768p
55−60
55−60
ultra / 1080p
27−30
21−24
medium / 1080p
45−50
45−50
The average gaming FPS of Maxwell GPU Surface Book 940M GDDR5 in Cyberpunk 2077 is 4% more, than Radeon HD 6790.
low / 768p
90−95
85−90
medium / 768p
70−75
65−70
ultra / 1080p
45−50
35−40
The average gaming FPS of Maxwell GPU Surface Book 940M GDDR5 in Dota 2 is 9% more, than Radeon HD 6790.
high / 1080p
10−12
9−10
ultra / 1080p
10−11
8−9
4K / 2160p
4−5
4−5
low / 720p
24−27
21−24
medium / 1080p
12−14
10−11
The average gaming FPS of Maxwell GPU Surface Book 940M GDDR5 in Far Cry 5 is 9% more, than Radeon HD 6790.
high / 1080p
18−20
16−18
ultra / 1080p
12−14
10−12
low / 720p
75−80
65−70
medium / 1080p
30−35
27−30
The average gaming FPS of Maxwell GPU Surface Book 940M GDDR5 in Fortnite is 12% more, than Radeon HD 6790.
high / 1080p
16−18
14−16
ultra / 1080p
14−16
12−14
QHD / 1440p
4−5
2−3
low / 720p
35−40
27−30
medium / 1080p
18−20
16−18
The average gaming FPS of Maxwell GPU Surface Book 940M GDDR5 in Forza Horizon 4 is 20% more, than Radeon HD 6790.
low / 768p
65−70
55−60
medium / 768p
55−60
50−55
high / 1080p
18−20
14−16
ultra / 1080p
8−9
7−8
QHD / 1440p
0−1
0−1
The average gaming FPS of Maxwell GPU Surface Book 940M GDDR5 in Grand Theft Auto V is 15% more, than Radeon HD 6790.
high / 1080p
6−7
5−6
ultra / 1080p
4−5
4−5
4K / 2160p
1−2
0−1
low / 720p
18−20
14−16
medium / 1080p
8−9
7−8
The average gaming FPS of Maxwell GPU Surface Book 940M GDDR5 in Metro Exodus is 12% more, than Radeon HD 6790.
low / 768p
100−110
95−100
high / 1080p
−
90−95
ultra / 1080p
90−95
85−90
medium / 1080p
95−100
95−100
The average gaming FPS of Maxwell GPU Surface Book 940M GDDR5 in Minecraft is 4% more, than Radeon HD 6790.
high / 1080p
18−20
16−18
ultra / 1080p
14−16
14−16
low / 720p
40−45
35−40
medium / 1080p
20−22
18−20
The average gaming FPS of Maxwell GPU Surface Book 940M GDDR5 in PLAYERUNKNOWN'S BATTLEGROUNDS is 9% more, than Radeon HD 6790.
high / 1080p
12−14
−
ultra / 1080p
8−9
8−9
QHD / 1440p
0−1
0−1
low / 720p
18−20
14−16
medium / 1080p
12−14
10−12
The average gaming FPS of Maxwell GPU Surface Book 940M GDDR5 in Red Dead Redemption 2 is 18% more, than Radeon HD 6790.
low / 768p
35−40
27−30
medium / 768p
21−24
18−20
high / 1080p
12−14
10−11
ultra / 1080p
8−9
7−8
4K / 2160p
7−8
6−7
The average gaming FPS of Maxwell GPU Surface Book 940M GDDR5 in The Witcher 3: Wild Hunt is 21% more, than Radeon HD 6790.
low / 768p
90−95
85−90
medium / 768p
50−55
45−50
ultra / 1080p
24−27
21−24
high / 768p
40−45
40−45
The average gaming FPS of Maxwell GPU Surface Book 940M GDDR5 in World of Tanks is 6% more, than Radeon HD 6790.
Full Specs
Maxwell GPU Surface Book 940M GDDR5
Radeon HD 6790
Architecture
Maxwell
Terascale 2
Code name
Surface Book
Barts
Type
Laptop
Desktop
Release date
1 October 2015
4 April 2011
Pipelines
384
800
Core clock speed
954 MHz
840 MHz
Boost Clock
993 MHz
Transistor count
1,700 million
Manufacturing process technology
28 nm
40 nm
Texture fill rate
33.60
Floating-point performance
1,344.0 gflops
Length
198 mm
Memory bus width
64 Bit
256 Bit
Memory clock speed
5012 MHz
1050 MHz
Memory bandwidth
134.4 GB/s
Shared memory
-
DirectX
DirectX 12 (FL 11_0), Shader 5.0
11.2 (11_0)
Shader Model
5.0
OpenGL
4.4
OpenCL
1.2
Vulkan
N/A
CUDA
+
Bitcoin / BTC (SHA256)
122 Mh/s
Optimus
+
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