Radeon HD 8790M vs Radeon R9 380X
If you are going to buy a new graphics card and are choosing between Radeon HD 8790M and Radeon R9 380X, 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 8790M stacks up against Radeon R9 380X, check out specs charts below.
Radeon HD 8790M is a Laptop Graphics Card
Note: Radeon HD 8790M 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 HD 8790M here:
Main Specs
Radeon HD 8790M
Radeon R9 380X
Power consumption (TDP)
190 Watt
Interface
MXM-A (3.0)
PCIe 3.0 x16
Supplementary power connectors
None
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
4 GB
Display Connectors
No outputs
2x DVI, 1x HDMI, 1x DisplayPort
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Radeon HD 8790M is connected by MXM-A (3.0), and Radeon R9 380X uses PCIe 3.0 x16 interface.
Radeon R9 380X has 2 GB more memory, than Radeon HD 8790M.
Radeon HD 8790M is used in Laptops, and Radeon R9 380X - in Desktops.
Radeon HD 8790M is build with GCN architecture, and Radeon R9 380X - with GCN 3.0.
Radeon HD 8790M and Radeon R9 380X are manufactured by 28 nm process technology.
Memory clock speed of Radeon HD 8790M is 3530 MHz higher, than Radeon R9 380X.
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
1−2
21−24
QHD / 1440p
0−1
16−18
4K / 2160p
−
10−11
low / 720p
14−16
60−65
medium / 1080p
6−7
40−45
The average gaming FPS of Radeon R9 380X in Assassin's Creed Odyssey is 583% more, than Radeon HD 8790M.
high / 1080p
8−9
55−60
ultra / 1080p
6−7
45−50
QHD / 1440p
0−1
35−40
4K / 2160p
−
18−20
low / 720p
21−24
100−110
medium / 1080p
9−10
60−65
The average gaming FPS of Radeon R9 380X in Battlefield 5 is 518% more, than Radeon HD 8790M.
low / 768p
45−50
50−55
high / 1080p
40−45
−
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon R9 380X in Call of Duty: Warzone is 10% more, than Radeon HD 8790M.
low / 768p
120−130
250−260
medium / 768p
100−110
220−230
ultra / 1080p
50−55
180−190
QHD / 1440p
24−27
110−120
4K / 2160p
−
70−75
high / 768p
75−80
210−220
The average gaming FPS of Radeon R9 380X in Counter-Strike: Global Offensive is 158% more, than Radeon HD 8790M.
low / 768p
70−75
60−65
ultra / 1080p
21−24
−
medium / 1080p
40−45
55−60
The average gaming FPS of Radeon R9 380X in Cyberpunk 2077 is 5% more, than Radeon HD 8790M.
low / 768p
75−80
120−130
medium / 768p
55−60
110−120
ultra / 1080p
30−35
100−110
The average gaming FPS of Radeon R9 380X in Dota 2 is 109% more, than Radeon HD 8790M.
high / 1080p
4−5
45−50
ultra / 1080p
4−5
40−45
QHD / 1440p
−
27−30
4K / 2160p
1−2
14−16
low / 720p
14−16
80−85
medium / 1080p
6−7
45−50
The average gaming FPS of Radeon R9 380X in Far Cry 5 is 683% more, than Radeon HD 8790M.
high / 1080p
12−14
60−65
ultra / 1080p
7−8
45−50
QHD / 1440p
4−5
27−30
4K / 2160p
−
27−30
low / 720p
60−65
180−190
medium / 1080p
18−20
110−120
The average gaming FPS of Radeon R9 380X in Fortnite is 314% more, than Radeon HD 8790M.
high / 1080p
8−9
60−65
ultra / 1080p
7−8
45−50
QHD / 1440p
0−1
30−35
4K / 2160p
−
24−27
low / 720p
21−24
100−110
medium / 1080p
10−11
65−70
The average gaming FPS of Radeon R9 380X in Forza Horizon 4 is 483% more, than Radeon HD 8790M.
low / 768p
50−55
140−150
medium / 768p
−
120−130
high / 1080p
10−11
70−75
ultra / 1080p
4−5
30−35
QHD / 1440p
0−1
21−24
medium / 720p
40−45
−
The average gaming FPS of Radeon R9 380X in Grand Theft Auto V is 277% more, than Radeon HD 8790M.
high / 1080p
2−3
24−27
ultra / 1080p
0−1
20−22
QHD / 1440p
−
16−18
4K / 2160p
0−1
8−9
low / 720p
9−10
65−70
medium / 1080p
4−5
30−35
The average gaming FPS of Radeon R9 380X in Metro Exodus is 720% more, than Radeon HD 8790M.
low / 768p
85−90
130−140
high / 1080p
70−75
−
medium / 1080p
−
120−130
The average gaming FPS of Radeon R9 380X in Minecraft is 55% more, than Radeon HD 8790M.
ultra / 1080p
12−14
14−16
low / 720p
30−35
100−110
medium / 1080p
14−16
18−20
The average gaming FPS of Radeon R9 380X in PLAYERUNKNOWN'S BATTLEGROUNDS is 130% more, than Radeon HD 8790M.
high / 1080p
7−8
24−27
ultra / 1080p
4−5
16−18
QHD / 1440p
0−1
10−11
4K / 2160p
−
7−8
low / 720p
8−9
65−70
medium / 1080p
8−9
35−40
The average gaming FPS of Radeon R9 380X in Red Dead Redemption 2 is 414% more, than Radeon HD 8790M.
low / 768p
20−22
130−140
medium / 768p
12−14
85−90
high / 1080p
7−8
45−50
ultra / 1080p
5−6
24−27
4K / 2160p
1−2
16−18
The average gaming FPS of Radeon R9 380X in The Witcher 3: Wild Hunt is 588% more, than Radeon HD 8790M.
low / 768p
75−80
90−95
medium / 768p
40−45
60−65
ultra / 1080p
18−20
50−55
high / 768p
30−35
60−65
The average gaming FPS of Radeon R9 380X in World of Tanks is 59% more, than Radeon HD 8790M.
Full Specs
Radeon HD 8790M
Radeon R9 380X
Architecture
GCN
GCN 3.0
Code name
Mars XTX
Antigua
Type
Laptop
Desktop
Release date
16 November 2012
19 November 2015
Pipelines
384
2048
Core clock speed
850 MHz
Boost Clock
900 MHz
970 MHz
Transistor count
950 million
5,000 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
21.60
124.2
Floating-point performance
691.2 gflops
3,973 gflops
Length
221 mm
Memory bus width
128 Bit
256 Bit
Memory clock speed
4500 MHz
970 MHz
Memory bandwidth
64 GB/s
182.4 GB/s
Shared memory
-
DirectX
12 (11_1)
Shader Model
5.1
6.3
OpenGL
4.6
4.5
OpenCL
1.2
2.0
Vulkan
1.2.131
+
Monero / XMR (CryptoNight)
0.58 kh/s
FreeSync
+
Bus support
PCIe 3.0
HDMI
+
Bitcoin / BTC (SHA256)
80 Mh/s
Laptop size
medium sized
Eyefinity
+
HD3D
+
PowerTune
+
TrueAudio
+
ZeroCore
+
Mantle
+
Design
reference
Bridgeless CrossFire
+
Number of Eyefinity displays
6
DisplayPort support
+
CrossFire
+
VCE
+
DDMA audio
+
Decred / DCR (Decred)
0.89 Gh/s
Ethereum / ETH (DaggerHashimoto)
20.63 Mh/s
Zcash / ZEC (Equihash)
175 Sol/s
Compute units
32
Form factor
full height / full length
High bandwidth memory (HBM)
-
LiquidVR
+
FRTC
+
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