AMD Radeon HD 6850: GPU Specs & Benchmarks

The Radeon HD 6850 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.

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Graphics Processor (GPU)

GPU Name

Barts

Model number

Barts PRO
(215-0798006)

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

179 USD

Predecessor

Evergreen

Bus Interface

PCIe 2.0 x16

Memory

Memory Size

1024 MB

Memory Type

GDDR5

Memory Bus

256 bit

Bandwidth

128.0 GB/s

Performance

Pixel fillrate

24.80 GPixel/s

Texture fillrate

37.20 GTexel/s

FP32 (float) performance

1,488 GFLOPS

Clock Speeds

Memory Clock

1000 MHz
4 Gbps effective

GPU Clock

775 MHz

Render Config

Shading Units

960

TMUs

48

ROPs

32

Compute Units

12

L1 Cache

8 KB (per CU)

L2 Cache

512 KB

Board Design

Slot Width

Dual-slot

Length

198 mm
7.8 inches

Thermal design power (TDP)

127 W

Suggested PSU

300 W

Display Connectors

2x DVI
1x HDMI
2x mini-DisplayPort

Power Connectors

1x 6-pin

Board Number

C223

API support

DirectX

11.2 (11_0)

OpenGL

4.4

OpenCL

1.2

Vulkan

N/A

Shader Model

5.0