AMD Radeon HD 4770
The AMD Radeon HD 4770 is a graphics card released on April 28, 2009. It has 640 shading units, 512 MB of GDDR5 memory, 51.2 GB/s of memory bandwidth, a boost clock of 750 MHz and a 80 W board power rating. It scores 909 in the PassMark G3D benchmark. It supports DirectX 10.1, OpenGL 3.3 and OpenCL 1.0.
Depth: 34 recorded fields, 2 PassMark workloads
Specification data last verified October 1, 2026 against PassMark Videocard Benchmark and Wikipedia GPU list tables (wikigrid-2026-09). Coverage: 7 of 10 tracked specifications recorded.
Performance
The AMD Radeon HD 4770 scores 909 in the PassMark G3D benchmark, higher than 52.4% of the 2,658 GPUs benchmarked (PassMark rank #1,447), measured across 417 submitted results. Its PassMark G2D score is 81.
PassMark workload tests
In the PassMark workload tests the AMD Radeon HD 4770 averages DirectX 9 29 fps and DirectX 10 4 fps, across 417 submitted results. Frames per second are PassMark test-scene rates, not game frame rates.
As stated by PassMark
PassMark's own listing for the AMD Radeon HD 4770 states the PCIe 2.0 x16 interface, up to 512 MB of memory, a core clock of 750 MHz, DirectX 10.1 and OpenGL 3.3, first benchmarked on 2011-11-17. These are PassMark's figures, shown separately from the specification tables above.
Graphics processor
The AMD Radeon HD 4770 uses the RV740 graphics processor.
Shader configuration
The AMD Radeon HD 4770 has 640 shading units, 32 texture mapping units and 16 render output units.
The AMD Radeon HD 4770 does not use XMX engines; those are specific to Intel Arc graphics. Feex has no recorded ray tracing core count for the AMD Radeon HD 4770.
Clock speeds
The AMD Radeon HD 4770 runs at a base clock of 750 MHz.
Memory
The AMD Radeon HD 4770 is equipped with 512 MB of GDDR5 memory and delivers 51.2 GB/s of memory bandwidth.
Board and power
The AMD Radeon HD 4770 has a board power rating of 80 W and it connects over PCIe 2.0 x16.
Market
The AMD Radeon HD 4770 was released on April 28, 2009 and launched at a price of $109.
Benchmarks
Graphics and compute APIs
The AMD Radeon HD 4770 supports DirectX 10.1, OpenGL 3.3 and OpenCL 1.0.
CUDA is an NVIDIA technology and does not apply to the AMD Radeon HD 4770. Feex has no recorded Vulkan version for the AMD Radeon HD 4770.
Naming and aliases
The AMD Radeon HD 4770 is also known by other names: PassMark also lists it as ATI Radeon HD 4770 and ATI Radeon HD 4770 (Engineering Sample - WDDM v1.1).
Frequently asked questions
How much VRAM does the AMD Radeon HD 4770 have?
The AMD Radeon HD 4770 has 512 MB of GDDR5 memory. Its memory bandwidth is 51.2 GB/s.
How much power does the AMD Radeon HD 4770 use and what power supply does it need?
The AMD Radeon HD 4770 has a board power rating of 80 W.
How fast is the AMD Radeon HD 4770?
The AMD Radeon HD 4770 scores 909 in the PassMark G3D benchmark, higher than 52.4% of the 2,658 GPUs benchmarked. Its PassMark rank is #1,447.
What bus interface does the AMD Radeon HD 4770 use?
The AMD Radeon HD 4770 connects over PCIe 2.0 x16.
When was the AMD Radeon HD 4770 released and how much did it cost at launch?
The AMD Radeon HD 4770 was released on April 28, 2009 and launched at a price of $109.