Radeon R9 280X vs HD 7990

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Aggregate performance score

We've compared Radeon HD 7990 and Radeon R9 280X, covering specs and all relevant benchmarks.

HD 7990
2013
3 GB GDDR5, 375 Watt
14.47

R9 280X outperforms HD 7990 by a small 5% based on our aggregate benchmark results.

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking361351
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation1.525.59
Power efficiency2.664.19
ArchitectureGCN 1.0 (2011−2020)GCN 1.0 (2011−2020)
GPU code nameMaltaTahiti
Market segmentDesktopDesktop
Designno datareference
Release date24 April 2013 (11 years ago)8 October 2013 (11 years ago)
Launch price (MSRP)$999 $299

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

R9 280X has 268% better value for money than HD 7990.

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores20482048
Core clock speed950 MHzno data
Boost clock speed1000 MHz1000 MHz
Number of transistors4,313 million4,313 million
Manufacturing process technology28 nm28 nm
Power consumption (TDP)375 Watt250 Watt
Texture fill rate128.0128.0
Floating-point processing power4.096 TFLOPS4.096 TFLOPS
ROPs3232
TMUs128128

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

Bus supportno dataPCIe 3.0
InterfacePCIe 3.0 x16PCIe 3.0 x16
Length307 mm275 mm
Width2-slot2-slot
Supplementary power connectors2x 8-pin1 x 6-pin + 1 x 8-pin

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeGDDR5GDDR5
Maximum RAM amount3 GB3 GB
Memory bus width384 Bit384 Bit
Memory clock speed1500 MHzno data
Memory bandwidth288.0 GB/s288 GB/s
Shared memory--

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display Connectors1x DVI, 4x mini-DisplayPort2x DVI, 1x HDMI, 1x DisplayPort
Eyefinity-+
HDMI-+
DisplayPort support-+

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

AppAcceleration-+
CrossFire-+
FreeSync-+
HD3D-+
LiquidVR-+
TressFX-+
TrueAudio-+
UVD-+
DDMA audiono data+

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX12 (11_1)DirectX® 12
Shader Model5.15.1
OpenGL4.64.6
OpenCL1.21.2
Vulkan1.2.131+

Synthetic benchmark performance

Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.


Combined synthetic benchmark score

This is our combined benchmark score. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

HD 7990 14.47
R9 280X 15.18
+4.9%

Passmark

This is the most ubiquitous GPU benchmark. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.

HD 7990 5565
R9 280X 5837
+4.9%

3DMark Fire Strike Graphics

Fire Strike is a DirectX 11 benchmark for gaming PCs. It features two separate tests displaying a fight between a humanoid and a fiery creature made of lava. Using 1920x1080 resolution, Fire Strike shows off some realistic graphics and is quite taxing on hardware.

HD 7990 15540
+86.3%
R9 280X 8343

Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

Average FPS across all PC games

Here are the average frames per second in a large set of popular games across different resolutions:

Full HD60−65
−6.7%
64
+6.7%
4K30−35
−10%
33
+10%

Cost per frame, $

1080p16.65
−256%
4.67
+256%
4K33.30
−268%
9.06
+268%
  • R9 280X has 256% lower cost per frame in 1080p
  • R9 280X has 268% lower cost per frame in 4K

FPS performance in popular games

Full HD
Low Preset

Counter-Strike 2 27−30
+0%
27−30
+0%
Cyberpunk 2077 30−33
+0%
30−33
+0%
Elden Ring 45−50
+0%
45−50
+0%

Full HD
Medium Preset

Battlefield 5 45−50
+0%
45−50
+0%
Counter-Strike 2 27−30
+0%
27−30
+0%
Cyberpunk 2077 30−33
+0%
30−33
+0%
Forza Horizon 4 60−65
+0%
60−65
+0%
Metro Exodus 40−45
+0%
40−45
+0%
Red Dead Redemption 2 35−40
+0%
35−40
+0%
Valorant 60−65
+0%
60−65
+0%

Full HD
High Preset

Battlefield 5 45−50
+0%
45−50
+0%
Counter-Strike 2 27−30
+0%
27−30
+0%
Cyberpunk 2077 30−33
+0%
30−33
+0%
Dota 2 36
+0%
36
+0%
Elden Ring 45−50
+0%
45−50
+0%
Far Cry 5 55−60
+0%
55−60
+0%
Fortnite 80−85
+0%
80−85
+0%
Forza Horizon 4 60−65
+0%
60−65
+0%
Grand Theft Auto V 54
+0%
54
+0%
Metro Exodus 40−45
+0%
40−45
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 100−110
+0%
100−110
+0%
Red Dead Redemption 2 35−40
+0%
35−40
+0%
The Witcher 3: Wild Hunt 52
+0%
52
+0%
Valorant 60−65
+0%
60−65
+0%
World of Tanks 190−200
+0%
190−200
+0%

Full HD
Ultra Preset

Battlefield 5 45−50
+0%
45−50
+0%
Counter-Strike 2 27−30
+0%
27−30
+0%
Cyberpunk 2077 30−33
+0%
30−33
+0%
Dota 2 137
+0%
137
+0%
Far Cry 5 55−60
+0%
55−60
+0%
Forza Horizon 4 60−65
+0%
60−65
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 100−110
+0%
100−110
+0%
Valorant 60−65
+0%
60−65
+0%

1440p
High Preset

Dota 2 21−24
+0%
21−24
+0%
Elden Ring 24−27
+0%
24−27
+0%
Grand Theft Auto V 21−24
+0%
21−24
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 130−140
+0%
130−140
+0%
Red Dead Redemption 2 12−14
+0%
12−14
+0%
World of Tanks 100−110
+0%
100−110
+0%

1440p
Ultra Preset

Battlefield 5 30−35
+0%
30−35
+0%
Counter-Strike 2 12−14
+0%
12−14
+0%
Cyberpunk 2077 10−12
+0%
10−12
+0%
Far Cry 5 35−40
+0%
35−40
+0%
Forza Horizon 4 35−40
+0%
35−40
+0%
Metro Exodus 30−35
+0%
30−35
+0%
The Witcher 3: Wild Hunt 18−20
+0%
18−20
+0%
Valorant 35−40
+0%
35−40
+0%

4K
High Preset

Counter-Strike 2 10−12
+0%
10−12
+0%
Dota 2 24−27
+0%
24−27
+0%
Elden Ring 10−11
+0%
10−11
+0%
Grand Theft Auto V 24−27
+0%
24−27
+0%
Metro Exodus 10−11
+0%
10−11
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 45−50
+0%
45−50
+0%
Red Dead Redemption 2 10−11
+0%
10−11
+0%
The Witcher 3: Wild Hunt 24−27
+0%
24−27
+0%

4K
Ultra Preset

Battlefield 5 14−16
+0%
14−16
+0%
Counter-Strike 2 10−12
+0%
10−12
+0%
Cyberpunk 2077 4−5
+0%
4−5
+0%
Dota 2 68
+0%
68
+0%
Far Cry 5 18−20
+0%
18−20
+0%
Fortnite 16−18
+0%
16−18
+0%
Forza Horizon 4 21−24
+0%
21−24
+0%
Valorant 16−18
+0%
16−18
+0%

This is how HD 7990 and R9 280X compete in popular games:

  • R9 280X is 7% faster in 1080p
  • R9 280X is 10% faster in 4K

All in all, in popular games:

  • there's a draw in 63 tests (100%)

Pros & cons summary


Performance score 14.47 15.18
Recency 24 April 2013 8 October 2013
Power consumption (TDP) 375 Watt 250 Watt

R9 280X has a 4.9% higher aggregate performance score, an age advantage of 5 months, and 50% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Radeon HD 7990 and Radeon R9 280X.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

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AMD Radeon HD 7990
Radeon HD 7990
AMD Radeon R9 280X
Radeon R9 280X

Other comparisons

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Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


4.2 55 votes

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4.1 701 vote

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Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.