AMD · Radeon HD 6000 Series

AMD Radeon HD 6790

The AMD Radeon HD 6790 is a graphics card released on April 4, 2011, built on the TeraScale 2 architecture using a 40 nm process. It has 800 shading units, 1 GB of video memory on a 256-bit bus, 134.4 GB/s of memory bandwidth, a boost clock of 840 MHz and a 150 W board power rating. It scores 1,584 in the PassMark G3D benchmark. It supports DirectX 11 and OpenGL 4.4.

TeraScale 2Barts LE40 nm

8/10 key specs recorded · 28 facts

Depth: 39 recorded fields, 4 PassMark workloads

Specification data last verified October 1, 2026 against PassMark Videocard Benchmark and Wikipedia GPU list tables (wikigrid-2026-09). Coverage: 8 of 10 tracked specifications recorded.

PassMark Videocard Benchmark PassMark Videocard Benchmark Wikipedia GPU list tables (wikigrid-2026-09)

Shading units

800cores

Memory

1 GB

256-bit

Boost clock

n/a

840 MHz base

Board power

150 W

Performance

The AMD Radeon HD 6790 scores 1,584 in the PassMark G3D benchmark, higher than 61.9% of the 2,658 GPUs benchmarked (PassMark rank #1,153), measured across 897 submitted results. Its PassMark G2D score is 392.

PassMark G3D Mark

1,584

Rank #1,153
Faster than 61.9% of 2,658 GPUs
897 samples

0relative to the fastest GPU on record (41,928)

PassMark workload tests

DirectX 9 36 fps

reference: fastest recorded 526 fps · faster than 50.7% of 1,675 GPUs

DirectX 10 11 fps

reference: fastest recorded 231 fps · faster than 52.5% of 1,602 GPUs

DirectX 11 12 fps

reference: fastest recorded 362 fps · faster than 36.5% of 1,430 GPUs

GPU Compute 653 ops/s

reference: fastest recorded 26,591 ops/s · faster than 34.6% of 1,447 GPUs

Averages of PassMark PerformanceTest submissions; frames/sec are PassMark test-scene rates, not game FPS. Tests PassMark does not report for this card are omitted. PassMark listing

In the PassMark workload tests the AMD Radeon HD 6790 averages DirectX 9 36 fps, DirectX 10 11 fps, DirectX 11 12 fps and GPU Compute 653 ops/s, across 897 submitted results. Frames per second are PassMark test-scene rates, not game frame rates.

As stated by PassMark

Category Desktop

Bus interface PCIe 2.1 x16

Max memory 1 GB

Core clock 840 MHz

Memory clock 1050 MHz

DirectX 11

OpenGL 4.4

Max TDP 150 W

First benchmarked 2011-04-20

Samples 897

PassMark listing (collected 2026-10-01)

PassMark's own listing for the AMD Radeon HD 6790 states the PCIe 2.1 x16 interface, up to 1 GB of memory, a core clock of 840 MHz, DirectX 11 and OpenGL 4.4, first benchmarked on 2011-04-20. These are PassMark's figures, shown separately from the specification tables above.

Graphics processor

Architecture TeraScale 2

Codename Barts LE

Chip Not recorded

Process node 40 nm

Transistors 1,700 M

Die size 255 mm²

The AMD Radeon HD 6790 is based on the TeraScale 2 architecture, uses the Barts LE graphics processor, is manufactured on a 40 nm process, contains 1,700 million transistors and has a die size of 255 mm².

Shader configuration

Shading units 800

Compute units Not recorded

Streaming multiprocessors Not recorded

Execution units Not recorded

Texture units (TMUs) 40

Render output units (ROPs) 16

Ray tracing cores Not recorded

Tensor / AI cores Not recorded

XMX engines Not recorded

Infinity cache Not recorded

The AMD Radeon HD 6790 has 800 shading units, 40 texture mapping units and 16 render output units.

The AMD Radeon HD 6790 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 6790.

Clock speeds

Base clock 840 MHz

Boost clock Not recorded

Game clock Not recorded

Memory clock Not recorded

Effective memory clock Not recorded

The AMD Radeon HD 6790 runs at a base clock of 840 MHz.

Memory

Size 1 GB

Type Not recorded

Bus width 256-bit

Bandwidth 134.4 GB/s

The AMD Radeon HD 6790 is equipped with 1 GB of memory, uses a 256-bit memory bus and delivers 134.4 GB/s of memory bandwidth.

Board and power

The AMD Radeon HD 6790 has a board power rating of 150 W and it connects over PCIe 2.1 x16.

Board power (TDP) 150 W

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 2.1 x16

Market

Launched April 4, 2011

Launch price $149

Status Not recorded

Form factor Not recorded

Segment Desktop

Series Radeon HD 6000 Series

The AMD Radeon HD 6790 was released on April 4, 2011 and launched at a price of $149.

Benchmarks

PassMark G3D 1,584

PassMark G2D 392

Rank #1,153

Samples 897

Graphics and compute APIs

The AMD Radeon HD 6790 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 6790. Feex has no recorded Vulkan version for the AMD Radeon HD 6790. Feex has no recorded OpenCL version for the AMD Radeon HD 6790.