ATI Radeon HD 3850: GPU Specs & Benchmarks

The Radeon HD 3850 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.

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Graphics Processor (GPU)

GPU Name

RV670

Model number

RV670 PRO
(215-0708003)

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

179 USD

Predecessor

Radeon R500 PCIe

Bus Interface

PCIe 2.0 x16

Memory

Memory Size

512 MB

Memory Type

GDDR3

Memory Bus

256 bit

Bandwidth

53.12 GB/s

Performance

Pixel fillrate

10.69 GPixel/s

Texture fillrate

10.69 GTexel/s

FP32 (float) performance

427.5 GFLOPS

FP64 (double) performance

85.50 GFLOPS (1:5)

Clock Speeds

Memory Clock

830 MHz
1660 Mbps effective

GPU Clock

668 MHz

Render Config

Shading Units

320

TMUs

16

ROPs

16

Compute Units

4

L2 Cache

256 KB

Board Design

Slot Width

Single-slot

Length

208 mm
8.2 inches

Thermal design power (TDP)

75 W

Suggested PSU

250 W

Display Connectors

2x DVI
1x S-Video

Power Connectors

1x 6-pin

Board Number

B340,
B400

API support

DirectX

10.1 (10_1)

OpenGL

3.3 (full)
4.0 (partial)

OpenCL

N/A

Vulkan

N/A

Shader Model

4.1