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AMD Radeon HD 6770
- Graphics Processor
- Juniper
- Cores
- 800
- TMUs
- 40
- ROPs
- 16
- Memory Size
- 1024 MB
- Memory Type
- GDDR5
- Bus Width
- 128 bit
GPU
I/O
Recommended Gaming Resolutions:
- 1600x900
- 1920x1080
- 2560x1440
The Radeon HD 6770 was a mid-range graphics card by AMD, launched on January 21st, 2011. Built on the 40 nm process, and based on the Juniper graphics processor, in its Juniper XT variant, the card supports DirectX 11.2. The Juniper graphics processor is an average sized chip with a die area of 166 mm² and 1,040 million transistors. It features 800 shading units, 40 texture mapping units, and 16 ROPs. AMD has paired 1,024 MB GDDR5 memory with the Radeon HD 6770, which are connected using a 128-bit memory interface. The GPU is operating at a frequency of 850 MHz, memory is running at 1200 MHz (4.8 Gbps effective).
Being a dual-slot card, the AMD Radeon HD 6770 draws power from 1x 6-pin power connector, with power draw rated at 108 W maximum. Display outputs include: 2x DVI, 1x HDMI 1.3a, 2x mini-DisplayPort 1.1. Radeon HD 6770 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 129 US Dollars.
Being a dual-slot card, the AMD Radeon HD 6770 draws power from 1x 6-pin power connector, with power draw rated at 108 W maximum. Display outputs include: 2x DVI, 1x HDMI 1.3a, 2x mini-DisplayPort 1.1. Radeon HD 6770 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 129 US Dollars.
Graphics Processor
- GPU Name
- Juniper
- GPU Variant
-
Juniper XT
(215-0754013)
- Architecture
- TeraScale 2
- Foundry
- TSMC
- Process Size
- 40 nm
- Transistors
- 1,040 million
- Density
- 6.3M / mm²
- Die Size
- 166 mm²
- Chip Package
- FCBGA-962
Graphics Card
- Release Date
- Jan 21st, 2011
- Generation
-
Northern Islands
(HD 6700)
- Predecessor
- Evergreen
- Successor
- Southern Islands
- Production
- End-of-life
- Launch Price
- 129 USD
- Bus Interface
- PCIe 2.0 x16
- Reviews
- 35 in our database
Relative Performance
Based on TPU review data: "Performance Summary" at 1920x1080, 4K for 2080 Ti and faster.
Performance estimated based on architecture, shader count and clocks.
Clock Speeds
- GPU Clock
- 850 MHz
- Memory Clock
-
1200 MHz
4.8 Gbps effective
Memory
- Memory Size
- 1024 MB
- Memory Type
- GDDR5
- Memory Bus
- 128 bit
- Bandwidth
- 76.80 GB/s
Render Config
- Shading Units
- 800
- TMUs
- 40
- ROPs
- 16
- Compute Units
- 10
- L1 Cache
- 8 KB (per CU)
- L2 Cache
- 256 KB
Theoretical Performance
- Pixel Rate
- 13.60 GPixel/s
- Texture Rate
- 34.00 GTexel/s
- FP32 (float)
- 1,360 GFLOPS
Board Design
- Slot Width
- Dual-slot
- Length
- 198 mm
7.8 inches
- TDP
- 108 W
- Suggested PSU
- 300 W
- Outputs
- 2x DVI
1x HDMI 1.3a
2x mini-DisplayPort 1.1
- Power Connectors
- 1x 6-pin
- Board Number
- C010
Graphics Features
- DirectX
- 11.2 (11_0)
- OpenGL
- 4.4
- OpenCL
- 1.2
- Vulkan
- N/A
- Shader Model
- 5.0
Card Notes
| HD 5770 rebrand |
Juniper GPU Notes
| Generation: Evergreen Graphics/Compute: GFX4 Display Core Engine: 4.0 Unified Video Decoder: 2.3 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 (13)
| Name | GPU Clock | Memory Clock | Other Changes |
|---|---|---|---|
| 850 MHz | 1000 MHz | 290 mm/11.4 inches, 1x DVI 1x HDMI 1x VGA | |
| 850 MHz | 1200 MHz | 197 mm/7.8 inches, 2x DVI 1x HDMI 1x DisplayPort | |
| 850 MHz | 1200 MHz | 2x DVI 1x HDMI 1x DisplayPort | |
| 850 MHz | 1200 MHz | 235 mm/9.3 inches, 2x DVI 1x HDMI 1x DisplayPort | |
| 880 MHz | 1250 MHz | 235 mm/9.3 inches, 2x DVI 1x HDMI 1x DisplayPort | |
| 850 MHz | 1200 MHz | 208 mm/8.2 inches, 1x DVI 1x HDMI 1x DisplayPort | |
| 800 MHz | 1100 MHz | 200 mm/7.9 inches, 1x DVI 1x HDMI 1x VGA | |
| 875 MHz | 1200 MHz | 208 mm/8.2 inches, 1x DVI 1x HDMI 1x DisplayPort | |
| 850 MHz | 1200 MHz | 512 MB, 186 mm/7.3 inches, 1x DVI 1x HDMI 1x DisplayPort | |
| 775 MHz | 1000 MHz | 1x DVI 1x HDMI 1x DisplayPort | |
| 850 MHz | 1200 MHz | 186 mm/7.3 inches, 2x DVI 1x HDMI 1x DisplayPort | |
| 860 MHz | 1200 MHz | 201 mm/7.9 inches, 2x DVI 1x HDMI 1x DisplayPort | |
| 850 MHz | 1200 MHz | Single-slot, 1x DVI 1x HDMI 1x VGA |
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