Buy on Amazon
$499
In Stock
Base Clock
Boost Clock
AvailabilityMSRP in USD: $999
Availability
MSRP in USD: $999
No items available
AvailabilityMSRP in USD: $499
Availability
MSRP in USD: $499
Buy on Amazon
$509.99
In Stock
Same as Founder's Edition
Buy on Amazon
$539.99
In Stock
Base Clock
Boost Clock
Buy on Amazon
$579.99
In Stock
Boost Clock
Buy on Amazon
$572.49
In Stock
Boost Clock
Buy on Amazon
$508.99
In Stock
Boost Clock
Key Differences
In short — Radeon RX 7800 XT outperforms Radeon HD 7990 on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Radeon RX 7800 XT is 3775 days newer than Radeon HD 7990.
Advantages of AMD Radeon RX 7800 XT
- Performs up to 267% better in The Witcher 3: Wild Hunt than Radeon HD 7990 - 143 vs 39 FPS
- Consumes up to 30% less energy than AMD Radeon HD 7990 - 263 vs 375 Watts
- Up to 433% more VRAM memory than AMD Radeon HD 7990 - 16 vs 3 GB
The Witcher 3: Wild Hunt
Resolution
1920 x 1080
Game Graphics
Ultra+
Radeon RX 7800 XT
Desktop • Aug 25th, 2023
FPS
143
100%
Value, $/FPS
$3.49/FPS
100%
Price, $
$499
100%
FPS and Value Winner
GIGABYTE Radeon RX 7800 XT Gaming OC 16G Graphics Card, 3X WINDFORCE Fans 16GB 256-bit GDDR6, GV-R78XTGAMING OC-16GD Video Card
Buy for $499 on Amazon
In Stock
Updated 6354 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra+
Radeon HD 7990
Desktop • Apr 24th, 2013
Radeon RX 7800 XT
Desktop • Aug 25th, 2023
Theoretical Performance
Radeon RX 7800 XT
Desktop • Aug 25th, 2023
Pixel Fillrate
233.3 GPixel/s
100%
Texel Fillrate
583.2 GTexel/s
100%
AMD Radeon HD 7990 | vs | AMD Radeon RX 7800 XT |
|---|---|---|
| Apr 24th, 2013 | Release Date | Aug 25th, 2023 |
| Southern Islands | Generation | Navi III |
| $999 | MSRP | $499 |
| 1x DVI, 4x mini-DisplayPort | Outputs | 1x HDMI 2.1a, 3x DisplayPort 2.1 |
| 2x 8-pin | Power Connectors | 2x 8-pin |
Desktop | Segment | Desktop |
| 3 GB | Memory | 16 GB |
| GDDR5 | Type | GDDR6 |
| 384-bit | Bus | 256-bit |
| 288 GB/s | Bandwidth | 620.8 GB/s |
| 950 MHz | Base Clock Speed | 1295 MHz |
| 1000 MHz | Boost Clock Speed | 2430 MHz |
| 1500 MHz | Memory Clock Speed | 2425 MHz |
Builds Using Radeon HD 7990 or Radeon RX 7800 XT
The Witcher 3: Wild Hunt, 1920 x 1080, Ultra+
137 FPS
$10.95/FPS
Radeon RX 7800 XT
Ryzen 7 8700G
32 GB, N/A Storage
Buy on Amazon
$1,499.99
In Stock
140 FPS
$11.21/FPS
Radeon RX 7800 XT
Ryzen 7 7700
32 GB, N/A Storage
Buy on Amazon
$1,568.99
In Stock
128 FPS
$11.38/FPS
Radeon RX 7800 XT
Ryzen 9 5900X
32 GB, 1 TB SSD
Buy on Amazon
$1,456.75
In Stock
128 FPS
$10.83/FPS
Radeon RX 7800 XT
Ryzen 9 5900X
32 GB, 1 TB SSD
Buy on Amazon
$1,385.77
In Stock
134 FPS
$12.87/FPS
Radeon RX 7800 XT
Core i7-12700K
32 GB, 1 TB SSD
Buy on Amazon
$1,724.99
In Stock
139 FPS
$13.31/FPS
Radeon RX 7800 XT
Core i5-14600KF
16 GB, 2 TB SSD
Buy on Amazon
$1,849.99
In Stock
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