AMD Radeon HD 7770 GHz Edition
The AMD Radeon HD 7770 GHz Edition is a graphics card released on February 1, 2012, built on the GCN architecture using a 28 nm process. It has 1 GB of GDDR5 memory on a 128-bit bus, 72.0 GB/s of memory bandwidth, a boost clock of 1.00 GHz and a 125 W board power rating. It supports DirectX 11.
Depth: 21 recorded fields
Specification data last verified October 1, 2026 against AMD.com Specifications and Wikipedia GPU list tables (wikigrid-2026-09). Coverage: 8 of 10 tracked specifications recorded.
Performance
Theoretical throughput
Texture fill rate (40 GTexel/s) is calculated by Feex from stored specifications, not stated by AMD.
Graphics processor
The AMD Radeon HD 7770 GHz Edition is based on the GCN architecture, uses the Cape Verde XT graphics processor, is manufactured on a 28 nm process, contains 1,500 million transistors and has a die size of 123 mm².
Shader configuration
The AMD Radeon HD 7770 GHz Edition 40 texture mapping units and 16 render output units.
The AMD Radeon HD 7770 GHz Edition does not use XMX engines; those are specific to Intel Arc graphics.
Clock speeds
The AMD Radeon HD 7770 GHz Edition runs at a base clock of 1.00 GHz and boosts to 1.00 GHz.
Memory
The AMD Radeon HD 7770 GHz Edition is equipped with 1 GB of GDDR5 memory, uses a 128-bit memory bus and delivers 72.0 GB/s of memory bandwidth.
Board and power
The AMD Radeon HD 7770 GHz Edition has a board power rating of 125 W and a total board power of 125 W.
Market
The AMD Radeon HD 7770 GHz Edition was released on February 1, 2012 and launched at a price of $160.
Graphics and compute APIs
The AMD Radeon HD 7770 GHz Edition supports DirectX 11.
CUDA is an NVIDIA technology and does not apply to the AMD Radeon HD 7770 GHz Edition. Feex has no recorded Vulkan version for the AMD Radeon HD 7770 GHz Edition. Feex has no recorded OpenCL version for the AMD Radeon HD 7770 GHz Edition.
Display outputs
The AMD Radeon HD 7770 GHz Edition offers outputs HDMI, Dual Link DVI.
Frequently asked questions
How much VRAM does the AMD Radeon HD 7770 GHz Edition have?
The AMD Radeon HD 7770 GHz Edition has 1 GB of GDDR5 memory on a 128-bit bus. Its memory bandwidth is 72.0 GB/s.
How much power does the AMD Radeon HD 7770 GHz Edition use and what power supply does it need?
The AMD Radeon HD 7770 GHz Edition has a board power rating of 125 W.
When was the AMD Radeon HD 7770 GHz Edition released and how much did it cost at launch?
The AMD Radeon HD 7770 GHz Edition was released on February 1, 2012 and launched at a price of $160.
Corrections to this record
After an audit, 1 empty field was filled from sources. Each change is listed with its old value, new value, rule and sources.
1 filled value
- Architecture: GCN (was Not recorded). Rule: Architecture from chip codename. chip Cape Verde -> GCN 1. Sources: Wikipedia: List of AMD graphics processing units (revision 1376670003).
The audit log is public: all changes for this GPU, the corrections overview and the method.