Radeon HD 6790 vs Radeon Pro 555X
If you are going to buy a new graphics card and are choosing between Radeon HD 6790 and Radeon Pro 555X, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the Radeon HD 6790 stacks up against Radeon Pro 555X, check out specs charts below.
Radeon Pro 555X is a Laptop Graphics Card
Note: Radeon Pro 555X 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 Radeon Pro 555X here:
Main Specs
Radeon HD 6790
Radeon Pro 555X
Power consumption (TDP)
150 Watt
75 Watt
Interface
PCIe 2.0 x16
PCIe 3.0 x8
Supplementary power connectors
2x 6-pin
None
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
2 GB
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
No outputs
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Radeon HD 6790 has 100% more power consumption, than Radeon Pro 555X.
Radeon HD 6790 is connected by PCIe 2.0 x16, and Radeon Pro 555X uses PCIe 3.0 x8 interface.
Radeon Pro 555X has 1 GB more memory, than Radeon HD 6790.
Radeon HD 6790 is used in Desktops, and Radeon Pro 555X - in Mobile workstations.
Radeon HD 6790 is build with Terascale 2 architecture, and Radeon Pro 555X - with Polaris.
Core clock speed of Radeon Pro 555X is 15 MHz higher, than Radeon HD 6790.
Radeon HD 6790 is manufactured by 40 nm process technology, and Radeon Pro 555X - by 14 nm process technology.
Memory clock speed of Radeon Pro 555X is 4030 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
7−8
16−18
ultra / 1080p
4−5
10−11
QHD / 1440p
0−1
4−5
4K / 2160p
−
4−5
low / 720p
18−20
30−35
medium / 1080p
9−10
21−24
The average gaming FPS of Radeon Pro 555X in Assassin's Creed Odyssey is 100% more, than Radeon HD 6790.
high / 1080p
12−14
24−27
ultra / 1080p
10−12
21−24
QHD / 1440p
0−1
10−11
4K / 2160p
−
6−7
low / 720p
27−30
55−60
medium / 1080p
14−16
30−33
The average gaming FPS of Radeon Pro 555X in Battlefield 5 is 112% more, than Radeon HD 6790.
low / 768p
45−50
45−50
high / 1080p
45−50
−
QHD / 1440p
0−1
0−1
Radeon HD 6790 and Radeon Pro 555X have the same average FPS in Call of Duty: Warzone.
low / 768p
140−150
220−230
medium / 768p
120−130
190−200
ultra / 1080p
60−65
100−110
QHD / 1440p
30−35
60−65
4K / 2160p
27−30
30−35
high / 768p
90−95
150−160
The average gaming FPS of Radeon Pro 555X in Counter-Strike: Global Offensive is 59% more, than Radeon HD 6790.
low / 768p
55−60
55−60
ultra / 1080p
21−24
40−45
medium / 1080p
45−50
45−50
The average gaming FPS of Radeon Pro 555X in Cyberpunk 2077 is 16% more, than Radeon HD 6790.
low / 768p
85−90
110−120
medium / 768p
65−70
95−100
ultra / 1080p
35−40
65−70
The average gaming FPS of Radeon Pro 555X in Dota 2 is 45% more, than Radeon HD 6790.
high / 1080p
9−10
20−22
ultra / 1080p
8−9
18−20
QHD / 1440p
−
16−18
4K / 2160p
4−5
6−7
low / 720p
21−24
40−45
medium / 1080p
10−11
21−24
The average gaming FPS of Radeon Pro 555X in Far Cry 5 is 100% more, than Radeon HD 6790.
high / 1080p
16−18
27−30
ultra / 1080p
10−12
21−24
QHD / 1440p
−
16−18
low / 720p
65−70
100−110
medium / 1080p
27−30
55−60
The average gaming FPS of Radeon Pro 555X in Fortnite is 70% more, than Radeon HD 6790.
high / 1080p
14−16
27−30
ultra / 1080p
12−14
21−24
QHD / 1440p
2−3
10−11
4K / 2160p
−
10−11
low / 720p
27−30
55−60
medium / 1080p
16−18
30−35
The average gaming FPS of Radeon Pro 555X in Forza Horizon 4 is 100% more, than Radeon HD 6790.
low / 768p
55−60
90−95
medium / 768p
50−55
80−85
high / 1080p
14−16
30−35
ultra / 1080p
7−8
12−14
QHD / 1440p
0−1
4−5
The average gaming FPS of Radeon Pro 555X in Grand Theft Auto V is 66% more, than Radeon HD 6790.
high / 1080p
5−6
10−11
ultra / 1080p
4−5
8−9
4K / 2160p
0−1
3−4
low / 720p
14−16
30−35
medium / 1080p
7−8
14−16
The average gaming FPS of Radeon Pro 555X in Metro Exodus is 100% more, than Radeon HD 6790.
low / 768p
95−100
110−120
high / 1080p
90−95
−
ultra / 1080p
85−90
−
medium / 1080p
95−100
100−110
The average gaming FPS of Radeon Pro 555X in Minecraft is 13% more, than Radeon HD 6790.
high / 1080p
16−18
24−27
ultra / 1080p
14−16
18−20
low / 720p
35−40
60−65
medium / 1080p
18−20
24−27
The average gaming FPS of Radeon Pro 555X in PLAYERUNKNOWN'S BATTLEGROUNDS is 50% more, than Radeon HD 6790.
high / 1080p
−
14−16
ultra / 1080p
8−9
10−11
QHD / 1440p
0−1
0−1
low / 720p
14−16
30−35
medium / 1080p
10−12
18−20
The average gaming FPS of Radeon Pro 555X in Red Dead Redemption 2 is 81% more, than Radeon HD 6790.
low / 768p
27−30
60−65
medium / 768p
18−20
35−40
high / 1080p
10−11
21−24
ultra / 1080p
7−8
12−14
4K / 2160p
6−7
8−9
The average gaming FPS of Radeon Pro 555X in The Witcher 3: Wild Hunt is 100% more, than Radeon HD 6790.
low / 768p
85−90
100−110
medium / 768p
45−50
60−65
ultra / 1080p
21−24
35−40
high / 768p
40−45
55−60
The average gaming FPS of Radeon Pro 555X in World of Tanks is 30% more, than Radeon HD 6790.
Full Specs
Radeon HD 6790
Radeon Pro 555X
Architecture
Terascale 2
Polaris
Code name
Barts
Polaris 21
Type
Desktop
Mobile workstation
Release date
4 April 2011
5 June 2017
Pipelines
800
768
Core clock speed
840 MHz
855 MHz
Transistor count
1,700 million
3,000 million
Manufacturing process technology
40 nm
14 nm
Texture fill rate
33.60
43.54
Floating-point performance
1,344.0 gflops
Length
198 mm
Memory bus width
256 Bit
128 Bit
Memory clock speed
1050 MHz
5080 MHz
Memory bandwidth
134.4 GB/s
81.6 GB/s
Shared memory
-
DirectX
11.2 (11_0)
12 (12_0)
Shader Model
5.0
6.4
OpenGL
4.4
4.6
OpenCL
1.2
2.0
Vulkan
N/A
1.2.131
FreeSync
+
Bitcoin / BTC (SHA256)
122 Mh/s
Laptop size
large
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