AMD Radeon HD 6870: GPU Specs & Benchmarks

The Radeon HD 6870 is a graphics card by AMD, built on the 40 nm process and based on the Barts 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
Barts
Model number
Barts XT
(215-0798000)
Architecture
TeraScale 2
Foundry
TSMC
Process Size
40 nm
Transistors
1,700 million
Die Size
255 mm²

Graphics Card

Release Date
Oct 21st, 2010
Family
Northern Islands
(HD 6800)
Production
End-of-life
Launch Price
239 USD
Predecessor
Evergreen
Bus Interface
PCIe 2.0 x16

Memory

Memory Size
1024 MB
Memory Type
GDDR5
Memory Bus
256 bit
Bandwidth
134.4 GB/s

Performance

Pixel fillrate
28.80 GPixel/s
Texture fillrate
50.40 GTexel/s
FP32 (float) performance
2.016 TFLOPS

Clock Speeds

Memory Clock
1050 MHz
4.2 Gbps effective
GPU Clock
900 MHz

Render Config

Shading Units
1120
TMUs
56
ROPs
32
Compute Units
14
L1 Cache
8 KB (per CU)
L2 Cache
512 KB

Board Design

Slot Width
Dual-slot
Length
247 mm
9.7 inches
Width
111 mm
4.4 inches
Height
36 mm
1.4 inches
Thermal design power (TDP)
151 W
Suggested PSU
450 W
Display Connectors
2x DVI
1x HDMI
2x mini-DisplayPort
Power Connectors
2x 6-pin
Board Number
C222

API support

DirectX
11.2 (11_0)
OpenGL
4.4
OpenCL
1.2
Vulkan
N/A
Shader Model
5.0
Radeon HD 6870
AMD Radeon HD 6870: GPU Specs & Benchmarks