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AMD Radeon HD 6790
- Graphics Processor
- Barts
- Cores
- 800
- TMUs
- 40
- ROPs
- 16
- Memory Size
- 1024 MB
- Memory Type
- GDDR5
- Bus Width
- 256 bit
GPU
Recommended Gaming Resolutions:
- 1600x900
- 1920x1080
- 2560x1440
The Radeon HD 6790 was a mid-range graphics card by AMD, launched on April 4th, 2011. Built on the 40 nm process, and based on the Barts graphics processor, in its Barts LE variant, the card supports DirectX 11.2. The Barts graphics processor is an average sized chip with a die area of 255 mm² and 1,700 million transistors. Unlike the fully unlocked Radeon HD 6870, which uses the same GPU but has all 1120 shaders enabled, AMD has disabled some shading units on the Radeon HD 6790 to reach the product's target shader count. It features 800 shading units, 40 texture mapping units, and 16 ROPs. AMD has paired 1,024 MB GDDR5 memory with the Radeon HD 6790, which are connected using a 256-bit memory interface. The GPU is operating at a frequency of 840 MHz, memory is running at 1050 MHz (4.2 Gbps effective).
Being a dual-slot card, the AMD Radeon HD 6790 draws power from 2x 6-pin power connectors, with power draw rated at 150 W maximum. Display outputs include: 2x DVI, 1x HDMI 1.3a, 1x DisplayPort 1.1. Radeon HD 6790 is connected to the rest of the system using a PCI-Express 2.0 x16 interface. The card measures 198 mm in length, and features a dual-slot cooling solution. Its price at launch was 149 US Dollars.
Being a dual-slot card, the AMD Radeon HD 6790 draws power from 2x 6-pin power connectors, with power draw rated at 150 W maximum. Display outputs include: 2x DVI, 1x HDMI 1.3a, 1x DisplayPort 1.1. Radeon HD 6790 is connected to the rest of the system using a PCI-Express 2.0 x16 interface. The card measures 198 mm in length, and features a dual-slot cooling solution. Its price at launch was 149 US Dollars.
Graphics Processor
- GPU Name
- Barts
- GPU Variant
-
Barts LE
(215-0798002)
- Architecture
- TeraScale 2
- Foundry
- TSMC
- Process Size
- 40 nm
- Transistors
- 1,700 million
- Density
- 6.7M / mm²
- Die Size
- 255 mm²
- Chip Package
- HFCBGA-1737
Graphics Card
- Release Date
- Apr 4th, 2011
- Generation
-
Northern Islands
(HD 6700)
- Predecessor
- Evergreen
- Successor
- Southern Islands
- Production
- End-of-life
- Launch Price
- 149 USD
- Bus Interface
- PCIe 2.0 x16
- Reviews
- 37 in our database
Relative Performance
Based on TPU review data: "Performance Summary" at 1920x1080, 4K for 2080 Ti and faster.
Clock Speeds
- GPU Clock
- 840 MHz
- Memory Clock
-
1050 MHz
4.2 Gbps effective
Memory
- Memory Size
- 1024 MB
- Memory Type
- GDDR5
- Memory Bus
- 256 bit
- Bandwidth
- 134.4 GB/s
Render Config
- Shading Units
- 800
- TMUs
- 40
- ROPs
- 16
- Compute Units
- 10
- L1 Cache
- 8 KB (per CU)
- L2 Cache
- 512 KB
Theoretical Performance
- Pixel Rate
- 13.44 GPixel/s
- Texture Rate
- 33.60 GTexel/s
- FP32 (float)
- 1,344 GFLOPS
Board Design
- Slot Width
- Dual-slot
- Length
- 198 mm
7.8 inches
- TDP
- 150 W
- Suggested PSU
- 450 W
- Outputs
- 2x DVI
1x HDMI 1.3a
1x DisplayPort 1.1
- Power Connectors
- 2x 6-pin
- Board Number
- C220,
109-C22237-00
Graphics Features
- DirectX
- 11.2 (11_0)
- OpenGL
- 4.4
- OpenCL
- 1.2
- Vulkan
- N/A
- Shader Model
- 5.0
Barts GPU Notes
| Generation: Northern Islands Mobile Variant: Blackcomb Codename: Victoria Graphics/Compute: GFX4 Display Core Engine: 5.0 Unified Video Decoder: 3.1 Latest Drivers: Windows XP / 8: Catalyst Software Suite 14.4 Windows Vista : Catalyst Software Suite 13.12 Windows 7 / 8.1 / 10: Catalyst Software Suite 15.7.1 / 16.2.1 Beta |
Retail boards based on this design (9)
| Name | GPU Clock | Memory Clock | Other Changes |
|---|---|---|---|
| 840 MHz | 1050 MHz | 230 mm/9.1 inches | |
| 840 MHz | 1050 MHz | 235 mm/9.3 inches, 2x DVI 1x HDMI 2x mini-DisplayPort | |
| 900 MHz | 1100 MHz | 235 mm/9.3 inches, 2x DVI 1x HDMI 2x mini-DisplayPort | |
| 920 MHz | 1050 MHz | 231 mm/9.1 inches | |
| 840 MHz | 1050 MHz | 241 mm/9.5 inches | |
| 840 MHz | 1050 MHz | 250 mm/9.8 inches, 1x DVI 1x HDMI 1x DisplayPort | |
| 840 MHz | 1050 MHz | 262 mm/10.3 inches, 2x DVI 1x HDMI 2x mini-DisplayPort | |
| 840 MHz | 1050 MHz | 235 mm/9.3 inches, 2x DVI 1x HDMI 2x mini-DisplayPort | |
| 840 MHz | 1050 MHz | 220 mm/8.7 inches, 2x DVI 1x HDMI 2x mini-DisplayPort |
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