ATI Radeon HD 4890: GPU Specs & Benchmarks

The Radeon HD 4890 is a graphics card by ATI, built on the 55 nm process and based on the RV790 graphics processor (GPU). The video card specifications and performance tests (benchmarks) are listed below.

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Benchmarks

PassMark G3D

1531

PassMark G2D

122

3DMark Fire Strike

413

Graphics Processor (GPU)

GPU Name

RV790

Model number

RV790 XT
(215-0758016)

Architecture

TeraScale

Foundry

TSMC

Process Size

55 nm

Transistors

959 million

Die Size

282 mm²

Graphics Card

Release Date

Apr 2nd, 2009

Family

Radeon R700
(HD 4800)

Production

End-of-life

Launch Price

249 USD

Predecessor

Radeon R600

Bus Interface

PCIe 2.0 x16

Memory

Memory Size

1024 MB

Memory Type

GDDR5

Memory Bus

256 bit

Bandwidth

124.8 GB/s

Performance

Pixel fillrate

13.60 GPixel/s

Texture fillrate

34.00 GTexel/s

FP32 (float) performance

1,360 GFLOPS

FP64 (double) performance

272.0 GFLOPS (1:5)

Clock Speeds

Memory Clock

975 MHz
3.9 Gbps effective

GPU Clock

850 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

Dual-slot

Length

241 mm
9.5 inches

Width

111 mm
4.4 inches

Height

40 mm
1.6 inches

Thermal design power (TDP)

190 W

Suggested PSU

450 W

Display Connectors

2x DVI
1x S-Video

Power Connectors

2x 6-pin

Board Number

B790-31

API support

DirectX

10.1 (10_1)

OpenGL

3.3

OpenCL

1.1

Vulkan

N/A

Shader Model

4.1