Radeon_HD_7990
AMD Radeon HD 7990

GD Rating

4.5
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How well can the Radeon HD 7990 run games
AMD Radeon HD 7990
10 Aug 2021 - Graphics card reviewed

A mid to low level graphics card, the Radeon HD 7990 is found in budget machines nowadays, struggling to meet AAA system requirements.

Capable of running games with up to a DirectX 11 requirement.

Lets look at the Radeon HD 7990 game performance guide for some of the biggest games played in 2021. In particular we will see how well this graphics card runs on Ultra settings on 1080p resolution as well as 1440p and 4K. Of the 1000 most demanding recommended specs found in game requirements today, this gpu is more powerful than the graphics requirement of 450 games in todays list.

First we looked at 1080p resolution for the Radeon HD 7990 performance to explore what sort of benchmarks it would achieve on the popular title Back 4 Blood and saw it deliver playable frames per second across the following graphics settings - Low: 115 FPS, Medium: 90 FPS, High: 61 FPS and Ultra: 44 FPS. We proceeded to look at Star Citizen to see how that compared and predict that it will return a reasonable 55 FPS at Ultra 1080p.

We move on to 1440p, and tested Back 4 Blood which delivered playable FPS results. Here are the graphic presets - Low: 88 FPS, Medium: 69 FPS, High: 46 FPS and Ultra: 33 FPS. Next we have Star Citizen running on Radeon HD 7990 which is predicted to get L: 110FPS, M: 86FPS, H: 58FPS, U: 42FPS. And for performance contrast the popular Days Gone gets L: 102FPS, M: 80FPS, H: 54FPS, U: 39FPS at 1440p. Running games at 1440p with a Radeon HD 7990 is a reasonable choice at this screen size. You can always tweak modern game graphics settings to help you get a better High graphics setting experience at 1440p.

How many years will the Radeon HD 7990 graphics card play newly released games and how long until you should consider upgrading the Radeon HD 7990 in your PC? Our current calculations suggest a graphics card upgrade will be required in around 12-18 months

Whats a good PC graphics upgrade for the Radeon HD 7990? Upgrading this graphics card would have us consider the 30 Series GeForce RTX 3050 Ti which is 59% more powerful. This upgrade choice can also run 975 games from the most demanding games today. Alternatively a suitable upgrade choice for the Radeon HD 7990 is the R-500 Series Radeon RX Vega 64 8GB, which is 51% more powerful and can run 965 of the 1000 most demanding PC games beating their recommended requirements.
FPS System Benchmark
71 FPS
High
The Radeon HD 7990 was released on 23 Apr 2013
AMD PC game performance check Radeon HD 7990
GPU
Architecture
GCN 1.0 Malta
Process
28nm
TMUs
128
Texture Rate
256 GTexel/s
ROPs
32 (x2)
Pixel Rate
64 GPixel/s
Shader Processing Units
Ray Tracing
Tensor Cores
Release Price
$999
Compatibility
Direct X
DX 11.1
Shader
5.0
Open GL
4.3
Resolution (WxH)
2560 x 1600
Notebook GPU
SLI/Crossfire
Dedicated
Integrated
Memory
Memory
6144MB (x2)
Memory Speed
1500MHz
Memory Bus
384bit (x2)
Memory Type
GDDR5
Memory Bandwidth
576GB/sec
L2 Cache
768KB (x2)
Display Connectors
VGA Connection
DVI Connection
1
HDMI Connection
DisplayPort Connection
Clock Speeds
Core Speed
950 MHz
Boost Clock
1000 MHz
Power
Max Power
375 Watts
PSU
750 Watt & 50 Amps
Power Connector
2x 8-pin
Recommended Hardware
Best RAM Match
16 GB
Best Resolution
2560 x 1600
GPU Upgrade
GD Official
GD RATING
4.5
Approved

Radeon HD 7990 Game Requirement Analysis

Overview
Radeon HD 7990 is a Dual-Graphics Solution based on the Graphics Core Next (GCN) Architecture.

Architecture
The GCN Architecture succeeds the 40nm Terascale Architecture. In addition to being produced with a 28nm Technology, the GCN Architecture adds other Technologies that allow for energy efficiency. For example, ZeroCore Power, a long idle power saving technology, allows the Graphics Cards to shut down by itself when the Monitor is turned off.
GCN also adds Improved Anisotropic Filtering, DirectX 11 Tessellation and the Partially Resident Textures (PRT) Technology, which enables future games to utilize ultra-high resolution textures with the same performance as today's small and often repetitive textures.

GPU
It equips two GPUs Codenamed Tahiti XT which together have 64 Compute Units activated and thus offer 4096 Shader Processing Units, 256 TMUs and 64 ROPs. The Central Unit is clocked at 950MHz and goes up 1000MHz, in Turbo Mode.

Memory
Each GPU accesses a 3GB frame buffer of Fast GDDR5 Memory, through a 384-bit memory interface. The size of the frame buffer is adequate. The Memory Clock Operates at 1500MHz.

Power Consumption
With a rated board TDP of 375W, it requires at least a 750W PSU with two available 8-pin connectors.

Performance
Radeon HD 7990 Competes with GeForce GTX 690 and proves to be considerably faster at resolutions over 2560x1600.

System Suggestions
Radeon HD 7990 is best suited for resolutions up to and including 2560x1600. We recommend a Very Strong Processor (Intel Core i7 Quad Core/AMD FX Eight Core) and 16GB of RAM for Optimal Performance.

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