Hardware Wiki: GPU Wiki CPU Wiki

Radeon HD 7990

GCN 1.0 Radeon HD 7000 Series Gaming Desktop GDDR5 2013

Key Metrics

Launch Date: 2013-04-24
Stream Processors: 2,048
Memory: 3 GB GDDR5
Memory Bandwidth: 288 GB/s
TDP/TBP: 375 W
Interface: PCIe 3.0 x16

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GPU Specs

What do these fields mean?

Identity
Entry Type	Reference GPU
Official Name	AMD Radeon HD 7990
Architecture	GCN 1.0
Launch Date	2013-04-24
Core Specs
GPU Die	Malta
Process Node	TSMC 28 nm
Transistor Count	4.31 billion
Die Size	365 mm²
Stream Processors	2048
TMUs	128
ROPs	32
Base Clock	950 MHz
Boost Clock	1,000 MHz
Pixel Fillrate	32 GP/s
Texture Fillrate	128 GT/s
FP32 Throughput	4.1 TFLOPS
FP64 Throughput	1.02 TFLOPS
Memory
Memory Size	3 GB
Memory Type	GDDR5
Memory Bus Width	384-bit
Memory Clock	1,500 MHz
Memory Bandwidth	288 GB/s
L2 Cache	0.75 MB
L1 Cache	16 KB
Board and Display
TDP / TBP	375 W
Recommended PSU	750 W
Interface	PCIe 3.0 x16
Display Outputs	1x DVI, 4x mini-DisplayPort 1.2
Slot Width	Dual-slot
Card Length	304 mm
Software
Shader Model	5.1
DirectX Support	DirectX 11.1
Vulkan Support	Vulkan 1.2
OpenGL Support	OpenGL 4.6
OpenCL Support	OpenCL 1.2

GPU Gallery

Front of a Gigabyte Radeon HD 7990 6 GB exhibition board — Front: Gigabyte Radeon HD 7990 6 GB exhibition board. This exhibited Gigabyte board is labeled 6 GB, while the Wiki reference entry lists 3 GB. The photo does not independently establish per-GPU memory allocation or reference clocks. The exact Commons file page identifies this representative board.View original file page

Sources

Independent reference sources

TechPowerUp GPU SpecsOpen source

Photo sources

Wikimedia Commons
Photo: Gigabyte Radeon HD 7990 6 GB exhibition board (Front)Creator: Quintin LinCredit: Quintin Lin / Wikimedia CommonsTitle: Gigabyte GV-R799D5-6GD-B, Computex Taipei 20130607License: CC BY-SA 2.0 GenericSource claim: Commons credits Quintin Lin and states this exact photograph is CC BY-SA 2.0 Generic.Modified: Resized to 960 px maximum dimension and JPEG recompressed; no local crop. CC BY-SA 2.0 Generic terms retained.Board identity: The exact Commons file page identifies this representative board.Configuration: This exhibited Gigabyte board is labeled 6 GB, while the Wiki reference entry lists 3 GB. The photo does not independently establish per-GPU memory allocation or reference clocks.License deed Original file page