ATI Radeon HD 3870: GPU Specs & Benchmarks
The Radeon HD 3870 is a graphics card by ATI, built on the 55 nm process and based on the RV670 graphics processor (GPU). The video card specifications and performance tests (benchmarks) are listed below.
Recommended Gaming Resolutions 640x480 1280x720 1366x768 1600x900 1920x1080 2560x1440 3840x2160
Graphics Processor (GPU)
- GPU Name
- RV670
- Model number
- RV670 XT
(215-0708005) - Architecture
- TeraScale
- Foundry
- TSMC
- Process Size
- 55 nm
- Transistors
- 666 million
- Die Size
- 192 mm²
Graphics Card
- Release Date
- Nov 19th, 2007
- Family
- Radeon R600
(HD 3800) - Production
- End-of-life
- Launch Price
- 269 USD
- Predecessor
- Radeon R500 PCIe
- Bus Interface
- PCIe 2.0 x16
Memory
- Memory Size
- 512 MB
- Memory Type
- GDDR4
- Memory Bus
- 256 bit
- Bandwidth
- 72.06 GB/s
Performance
- Pixel fillrate
- 12.43 GPixel/s
- Texture fillrate
- 12.43 GTexel/s
- FP32 (float) performance
- 497.3 GFLOPS
- FP64 (double) performance
- 99.46 GFLOPS (1:5)
Clock Speeds
- Memory Clock
- 1126 MHz
2.3 Gbps effective - GPU Clock
- 777 MHz
Render Config
- Shading Units
- 320
- TMUs
- 16
- ROPs
- 16
- Compute Units
- 4
- L2 Cache
- 256 KB
Board Design
- Slot Width
- Dual-slot
- Length
- 241 mm
9.5 inches - Thermal design power (TDP)
- 106 W
- Suggested PSU
- 300 W
- Display Connectors
- 2x DVI
1x S-Video - Power Connectors
- 1x 6-pin
- Board Number
- B339
API support
- DirectX
- 10.1 (10_1)
- OpenGL
- 3.3 (full)
4.0 (partial) - OpenCL
- N/A
- Vulkan
- N/A
- Shader Model
- 4.1