Feex·GPU
AMD · Radeon HD

AMD Radeon HD 8790M

The AMD Radeon HD 8790M is a graphics card released on January 1, 2013, built on the GCN architecture using a 28 nm process. It has 384 shading units, 2 GB of GDDR5 memory and a boost clock of 850 MHz. It scores 1,306 in the PassMark G3D benchmark. It supports DirectX 11 and OpenGL 4.4.

GCNMars XTX28 nm
7/10 key specs recorded · 37 facts

Depth: 32 recorded fields

Specification data last verified October 1, 2026 against PassMark Videocard Benchmark, AMD.com Specifications and Wikipedia GPU list tables (wikigrid-2026-09). Coverage: 7 of 10 tracked specifications recorded.

Shading units
384cores
6 compute units
Memory
2 GB
GDDR5
Boost clock
850 MHz
850 MHz base
Board power
n/a

Performance

The AMD Radeon HD 8790M scores 1,306 in the PassMark G3D benchmark, higher than 59.4% of the 2,658 GPUs benchmarked (PassMark rank #1,249), measured across 70 submitted results. Its PassMark G2D score is 751.

PassMark G3D Mark
1,306
Rank #1,249
Faster than 59.4% of 2,658 GPUs
70 samples
0relative to the fastest GPU on record (41,928)

Theoretical throughput

Texture fill rate 20.4 GTexel/s calculatedcalculated from TMUs x boost clock (MHz) / 1000 = 24 x 850 / 1000

Texture fill rate (20.4 GTexel/s) is calculated by Feex from stored specifications, not stated by AMD.

As stated by PassMark

Category Mobile
Bus interface PCIe 3.0 x8
Max memory 2 GB
Core clock 850 MHz
Memory clock 1125 MHz
DirectX 11.1
OpenGL 4.4
First benchmarked 2014-12-01
Samples 70

PassMark listing (collected 2026-10-01)

PassMark's own listing for the AMD Radeon HD 8790M states the PCIe 3.0 x8 interface, up to 2 GB of memory, a core clock of 850 MHz, DirectX 11.1 and OpenGL 4.4, first benchmarked on 2014-12-01. These are PassMark's figures, shown separately from the specification tables above.

Not to be confused with

This page covers the AMD Radeon HD 8790M specifically. It is a different product from AMD Radeon HD 8790M / R9 M290X, which have their own specifications. Check the exact model name before comparing figures.

Graphics processor

Architecture GCN
Codename Mars XTX
Chip Not recorded
Process node 28 nm
Transistors Not recorded
Die size Not recorded

The AMD Radeon HD 8790M is based on the GCN architecture, uses the Mars XTX graphics processor and is manufactured on a 28 nm process.

Shader configuration

Shading units 384
Compute units 6
Streaming multiprocessors Not recorded
Execution units Not recorded
Texture units (TMUs) 24
Render output units (ROPs) 8
Ray tracing cores Not recorded
Tensor / AI cores Not recorded
XMX engines Not recorded
Infinity cache Not recorded

The AMD Radeon HD 8790M has 384 shading units, 6 compute units, 24 texture mapping units and 8 render output units.

The AMD Radeon HD 8790M 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 8790M.

Clock speeds

Base clock 850 MHz
Boost clock 850 MHz
Game clock Not recorded
Memory clock Not recorded
Effective memory clock Not recorded

The AMD Radeon HD 8790M runs at a base clock of 850 MHz and boosts to 850 MHz.

Memory

Size 2 GB
Type GDDR5
Bus width Not recorded
Bandwidth Not recorded

The AMD Radeon HD 8790M is equipped with 2 GB of GDDR5 memory.

Board and power

The AMD Radeon HD 8790M it connects over PCIe 3.0 x8.

Board power (TDP) Not recorded
Total board power Not recorded
Suggested PSU Not recorded
Power connectors Not recorded
Slot width Not recorded
Length Not recorded
Width Not recorded
Height Not recorded
Cooler Not recorded
Max temperature Not recorded
Bus interface PCIe 3.0 x8

Market

Launched January 1, 2013
Launch price Not recorded
Status Not recorded
Form factor Not recorded
Segment Desktop
Series Radeon HD

The AMD Radeon HD 8790M was released on January 1, 2013.

Benchmarks

PassMark G3D 1,306
PassMark G2D 751
Rank #1,249
Samples 70

Graphics and compute APIs

The AMD Radeon HD 8790M supports DirectX 11 and OpenGL 4.4.

DirectX 11
OpenGL 4.4

CUDA is an NVIDIA technology and does not apply to the AMD Radeon HD 8790M. Feex has no recorded Vulkan version for the AMD Radeon HD 8790M. Feex has no recorded OpenCL version for the AMD Radeon HD 8790M.

Frequently asked questions

How much VRAM does the AMD Radeon HD 8790M have?

The AMD Radeon HD 8790M has 2 GB of GDDR5 memory.

How fast is the AMD Radeon HD 8790M?

The AMD Radeon HD 8790M scores 1,306 in the PassMark G3D benchmark, higher than 59.4% of the 2,658 GPUs benchmarked. Its PassMark rank is #1,249.

What bus interface does the AMD Radeon HD 8790M use?

The AMD Radeon HD 8790M connects over PCIe 3.0 x8.

When was the AMD Radeon HD 8790M released?

The AMD Radeon HD 8790M was released on January 1, 2013.

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

The audit log is public: all changes for this GPU, the corrections overview and the method.

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