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
Radeon HD 3870
ATI Radeon HD 3870: GPU Specs & Benchmarks