AMD Radeon HD 7990 vs R9 380X

AMD Radeon HD 7990
AMD Radeon R9 380X

General info

Comparison of Radeon HD 7990 and Radeon R9 380X architecture, market type and release date.
Place in performance rating
 
Value for money (0-100)
7.40
 
17.63
Architecture
GCN 1.0
 
GCN 3.0
Code name
Malta
 
Antigua
Type
Desktop
 
Desktop
Design
n/d
 
reference
Release date
24 April 2013
 
19 November 2015
Launch price (MSRP)
$999
 
$229
Price now
$1,126.99
 
$528.44

Technical specs

Radeon HD 7990 and Radeon R9 380X's general performance parameters such as number of shaders, GPU core clock, manufacturing process, texturing and calculation speed. These parameters indirectly speak of Radeon HD 7990 and Radeon R9 380X's performance, but for precise assessment you have to consider its benchmark and gaming test results.
Pipelines
2x 2048
 
2048
Compute units
n/d
 
32
Core clock speed
950 MHz
 
n/d
Boost Clock
1000 MHz
 
970 MHz
Transistor count
4,313 million
 
5,000 million
Manufacturing process technology
28 nm
 
28 nm
Power consumption (TDP)
375 Watt
 
190 Watt
Texture fill rate
2x 128.0 GTexel / s billion / sec
 
124.2 GTexel / s
Floating-point performance
2x 4,096 gflops
 
3,973 gflops

Compatibility, dimensions and requirements

Information on Radeon HD 7990 and Radeon R9 380X compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop video cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).
Bus support
n/d
 
PCIe 3.0
Interface
PCIe 3.0 x16
 
PCIe 3.0 x16
Length
307 mm
 
221 mm
Form factor
n/d
 
Full Height / Full Length
Supplementary power connectors
2x 8-pin
 
​2 x 6-pin
Bridgeless CrossFire
-
 
+

Memory

Parameters of memory installed on Radeon HD 7990 and Radeon R9 380X: its type, size, bus, clock and resulting bandwidth. Note that GPUs integrated into processors don't have dedicated memory and use a shared part of system RAM.
Memory type
GDDR5
 
GDDR5
High bandwidth memory (HBM)
n/d
 
-
Maximum RAM amount
2x 3 GB
 
4 GB
Memory bus width
2x 384 Bit
 
64 Bit
Memory clock speed
6000 MHz
 
970 MHz
Memory bandwidth
2x 288.0 GB / s
 
182.4 GB / s

Video outputs and ports

Types and number of video connectors present on Radeon HD 7990 and Radeon R9 380X.
Display Connectors
1x DVI, 4x mini-DisplayPort
 
2x DVI, 1x HDMI, 1x DisplayPort
Eyefinity
-
 
+
Number of Eyefinity displays
n/d
 
6
HDMI
-
 
+
DisplayPort support
-
 
+

Technologies

Technological solutions and APIs supported by Radeon HD 7990 and Radeon R9 380X. You'll probably need this information if you need some particular technology for your purposes.
CrossFire
-
 
+
FRTC
-
 
+
FreeSync
-
 
+
HD3D
-
 
+
LiquidVR
-
 
+
PowerTune
-
 
+
TrueAudio
-
 
+
ZeroCore
-
 
+
VCE
-
 
+
DDMA audio
n/d
 
+

API support

APIs supported by Radeon HD 7990 and Radeon R9 380X, sometimes including their particular versions.
DirectX
12.0 (11_1)
 
DirectX® 12
OpenGL
4.5
 
4.5
OpenCL
n/d
 
2.0
Vulkan
-
 
+
Mantle
-
 
+

Video card benchmark performance comparison

Non-gaming benchmarks performance of Radeon HD 7990 and Radeon R9 380X. Note that overall benchmark performance is measured in points in 0-100 range.

Overall benchmark performance

HD 7990 25.96
R9 380X 28.98 +11.6%

Passmark

HD 7990 5547
R9 380X 6191 +11.6%

3DMark Fire Strike Graphics Score

HD 7990 15540 +63.4%
R9 380X 9510

Mining hashrates

Cryptocurrency mining performance of Radeon HD 7990 and Radeon R9 380X. Usually measured in megahashes per second.
Bitcoin / BTC (SHA256)
459 Mh/s
 
n/d
Decred / DCR (Decred)
n/d
 
0.89 Gh/s
Ethereum / ETH (DaggerHashimoto)
44 Mh/s +113.3%
 
20.63 Mh/s −113.3%
Monero / XMR (CryptoNight)
n/d
 
0.58 kh/s
Zcash / ZEC (Equihash)
n/d
 
175 Sol/s

Game benchmarks comparison

Let's see how good Radeon HD 7990 and Radeon R9 380X are for gaming. Particular gaming benchmark results are measured in FPS.

Fortnite

2018

Official system requirements

Radeon HD 7990 and Radeon R9 380X performance compared to Fortnite official system requirements.

HD 7990
minimum HD Graphics 4000
R9 380X
recommended GeForce GTX 660

Playerunknown's Battlegrounds (PUBG)

2017

Official system requirements

Radeon HD 7990 and Radeon R9 380X performance compared to Playerunknown's Battlegrounds (PUBG) official system requirements.

HD 7990
minimum GeForce GTX 960
R9 380X
recommended GeForce GTX 1060

Overwatch

2016

Official system requirements

Radeon HD 7990 and Radeon R9 380X performance compared to Overwatch official system requirements.

HD 7990
minimum Radeon HD 4850
R9 380X
recommended Radeon HD 7950

GTA V

2015

Official system requirements

Radeon HD 7990 and Radeon R9 380X performance compared to GTA V official system requirements.

HD 7990
minimum GeForce 9800 GT
R9 380X
recommended GeForce GTX 660

Rainbow Six Siege

2015

Official system requirements

Radeon HD 7990 and Radeon R9 380X performance compared to Rainbow Six Siege official system requirements.

HD 7990
minimum GeForce GTX 460
R9 380X
recommended Radeon HD 7970

Hearthstone: Heroes of Warcraft

2014

Official system requirements

Radeon HD 7990 and Radeon R9 380X performance compared to Hearthstone: Heroes of Warcraft official system requirements.

HD 7990
minimum GeForce 6800
R9 380X
recommended GeForce 8800 GT

Dota 2

2013

Official system requirements

Radeon HD 7990 and Radeon R9 380X performance compared to Dota 2 official system requirements.

HD 7990
minimum GeForce 8600 GT
R9 380X

Counter-Strike: GO

2012

Official system requirements

Radeon HD 7990 and Radeon R9 380X performance compared to Counter-Strike: GO official system requirements.

HD 7990
R9 380X
recommended GeForce 6600

League of Legends

2009

Official system requirements

Radeon HD 7990 and Radeon R9 380X performance compared to League of Legends official system requirements.

HD 7990
minimum GeForce 6100
R9 380X
recommended GeForce 8800 GT

Minecraft

2009

Official system requirements

Radeon HD 7990 and Radeon R9 380X performance compared to Minecraft official system requirements.

HD 7990
minimum Radeon HD 2400
R9 380X
recommended Radeon HD 5870

Advantages of AMD Radeon HD 7990

Wider memory bus (384 vs 64 bit)
Higher memory bandwidth (288 vs 182.4 GB/s)

Advantages of AMD Radeon R9 380X

11.6% faster in synthetic tests
Much newer (19 November 2015 vs 24 April 2013)
Cheaper ($229 vs $999)
Less power hungry (190 vs 375 watts)
​DirectX® 12
Mantle (an API developed by AMD for 3D graphics acceleration. Discontinued and later superceded by Vulkan)
OpenGL® 4.5
Vulkan™
OpenCL™ 2.0
Bridgeless CrossFire
Eyefinity (allows using several displays with an AMD GPU)
DisplayPort support
CrossFire
FRTC
FreeSync
HD3D
LiquidVR
PowerTune (dynamically increases AMD GPU's voltage and frequency while there's still enough temperature headroom. Similar to NVIDIA GPU Boost)
TrueAudio
ZeroCore
VCE
Vulkan (a contemporary API for graphics acceleration, based on now-discontinued Mantle)

So, HD 7990 or R9 380X?

Judging by the results of synthetic and gaming tests, Technical City recommends AMD Radeon R9 380X.
Should you still have questions on choice between Radeon HD 7990 and Radeon R9 380X, ask them in Comments section, and we shall answer.

Cast your vote

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favourite video card.
AMD Radeon HD 7990
AMD Radeon R9 380X
Like
Like

Choose a GPU

Compare GPUs

Comparisons

Advices and comments

Here you can ask a question about Radeon HD 7990 or Radeon R9 380X, agree or disagree with our judgements, or report an error or mismatch.