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AMD Radeon HD 6870
- Graphics Processor
- Barts
- Cores
- 1120
- TMUs
- 56
- ROPs
- 32
- Memory Size
- 1024 MB
- Memory Type
- GDDR5
- Bus Width
- 256 bit
GPU
I/O
Top
Back
PCB Front
Recommended Gaming Resolutions:
- 1600x900
- 1920x1080
- 2560x1440
The Radeon HD 6870 was a performance-segment graphics card by AMD, launched on October 21st, 2010. Built on the 40 nm process, and based on the Barts graphics processor, in its Barts XT 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. It features 1120 shading units, 56 texture mapping units, and 32 ROPs. AMD has paired 1,024 MB GDDR5 memory with the Radeon HD 6870, which are connected using a 256-bit memory interface. The GPU is operating at a frequency of 900 MHz, memory is running at 1050 MHz (4.2 Gbps effective).
Being a dual-slot card, the AMD Radeon HD 6870 draws power from 2x 6-pin power connectors, with power draw rated at 151 W maximum. Display outputs include: 2x DVI, 1x HDMI 1.3a, 2x mini-DisplayPort 1.1. Radeon HD 6870 is connected to the rest of the system using a PCI-Express 2.0 x16 interface. The card's dimensions are 247 mm x 111 mm x 36 mm, and it features a dual-slot cooling solution. Its price at launch was 239 US Dollars.
Being a dual-slot card, the AMD Radeon HD 6870 draws power from 2x 6-pin power connectors, with power draw rated at 151 W maximum. Display outputs include: 2x DVI, 1x HDMI 1.3a, 2x mini-DisplayPort 1.1. Radeon HD 6870 is connected to the rest of the system using a PCI-Express 2.0 x16 interface. The card's dimensions are 247 mm x 111 mm x 36 mm, and it features a dual-slot cooling solution. Its price at launch was 239 US Dollars.
Graphics Processor
- GPU Name
- Barts
- GPU Variant
-
Barts XT
(215-0798000)
- 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
- Oct 21st, 2010
- Generation
-
Northern Islands
(HD 6800)
- Predecessor
- Evergreen
- Successor
- Southern Islands
- Production
- End-of-life
- Launch Price
- 239 USD
- Bus Interface
- PCIe 2.0 x16
- Reviews
- 170 in our database
Relative Performance
Based on TPU review data: "Performance Summary" at 1920x1080, 4K for 2080 Ti and faster.
Clock Speeds
- GPU Clock
- 900 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
- 1120
- TMUs
- 56
- ROPs
- 32
- Compute Units
- 14
- L1 Cache
- 8 KB (per CU)
- L2 Cache
- 512 KB
Theoretical Performance
- Pixel Rate
- 28.80 GPixel/s
- Texture Rate
- 50.40 GTexel/s
- FP32 (float)
- 2.016 TFLOPS
Board Design
- Slot Width
- Dual-slot
- Length
- 247 mm
9.7 inches
- Width
- 111 mm
4.4 inches
- Height
- 36 mm
1.4 inches
- TDP
- 151 W
- Suggested PSU
- 450 W
- Outputs
- 2x DVI
1x HDMI 1.3a
2x mini-DisplayPort 1.1
- Power Connectors
- 2x 6-pin
- Board Number
- 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 |
Retail boards based on this design (20)
| Name | GPU Clock | Memory Clock | Other Changes |
|---|---|---|---|
| 915 MHz | 1050 MHz | 279 mm/11 inches, 2x DVI 2x DisplayPort | |
| 915 MHz | 1050 MHz | 290 mm/11.4 inches | |
| 950 MHz | 1100 MHz | 290 mm/11.4 inches | |
| 900 MHz | 1120 MHz | ||
| 920 MHz | 1120 MHz | ||
| 900 MHz | 1150 MHz | 287 mm/11.3 inches | |
| 900 MHz | 1150 MHz | 260 mm/10.2 inches | |
| 920 MHz | 1120 MHz | 260 mm/10.2 inches | |
| 975 MHz | 1150 MHz | 260 mm/10.2 inches | |
| 930 MHz | 1050 MHz | 255 mm/10 inches | |
| 920 MHz | 1050 MHz | 2 GB, 245 mm/9.6 inches | |
| 920 MHz | 1050 MHz | 245 mm/9.6 inches | |
| 920 MHz | 1050 MHz | 245 mm/9.6 inches | |
| 900 MHz | 1050 MHz | 250 mm/9.8 inches | |
| 970 MHz | 1150 MHz | 238 mm/9.4 inches | |
| 900 MHz | 1050 MHz | 238 mm/9.4 inches | |
| 900 MHz | 1050 MHz | ||
| 900 MHz | 1050 MHz | 2 GB, 262 mm/10.3 inches | |
| 925 MHz | 1050 MHz | 262 mm/10.3 inches | |
| 940 MHz | 1100 MHz | 257 mm/10.1 inches, 1x DVI 1x HDMI 2x mini-DisplayPort |
Apr 28th, 2024 21:55 EDT
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