ATI Radeon HD 4850: GPU Specs & Benchmarks

The Radeon HD 4850 is a graphics card by ATI, built on the 55 nm process and based on the RV770 graphics processor (GPU). The video card specifications and performance tests (benchmarks) are listed below.

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Benchmarks

3DMark Fire Strike

1227

Graphics Processor (GPU)

GPU Name

RV770

Model number

RV770 PRO
(215-0669065)

Architecture

TeraScale

Foundry

TSMC

Process Size

55 nm

Transistors

956 million

Die Size

256 mm²

Graphics Card

Release Date

Jun 25th, 2008

Family

Radeon R700
(HD 4800)

Production

End-of-life

Launch Price

199 USD

Predecessor

Radeon R600

Bus Interface

PCIe 2.0 x16

Memory

Memory Size

512 MB

Memory Type

GDDR3

Memory Bus

256 bit

Bandwidth

63.55 GB/s

Performance

Pixel fillrate

10.00 GPixel/s

Texture fillrate

25.00 GTexel/s

FP32 (float) performance

1,000 GFLOPS

FP64 (double) performance

200.0 GFLOPS (1:5)

Clock Speeds

Memory Clock

993 MHz
1986 Mbps effective

GPU Clock

625 MHz

Render Config

Shading Units

800

TMUs

40

ROPs

16

Compute Units

10

L1 Cache

16 KB (per CU)

L2 Cache

256 KB

Board Design

Slot Width

Single-slot

Length

246 mm
9.7 inches

Thermal design power (TDP)

110 W

Suggested PSU

300 W

Display Connectors

2x DVI
1x S-Video

Power Connectors

1x 6-pin

Board Number

B501-31

API support

DirectX

10.1 (10_1)

OpenGL

3.3

OpenCL

1.1

Vulkan

N/A

Shader Model

4.1