AMD Radeon R9 285X Full Specs

Summary

2,048 Shaders 1GHz

3GB GDDR5264GB/s

Peak·FP32·FP16 4.1 TFLOPS

Form Factor PCIe Card

TDP 200W

Power Connectors 1x 8-Pin 1x 6-Pin

Theoretical Performance

Clock Speed1002MHz UC·Boost·OC

Peak OPS 4.1 TFLOPSFP32

FP32 4.1 TFLOPS

FP64 256.5 GFLOPS

Pixel Rate 32.1 GPixel/s

Texture Rate 128.3 GTexel/s

Core Config

Shaders 2,048 Shaders

TMUs 128 TMUs

ROPs 32 ROPs

CUs 32 CUs

Clocks

Boost Clock 1GHz

Cache

L1 16KB/CU

L2 Cache 768KB shared

Memory

3GB GDDR5

Memory Bus 384-bit

Memory Speed 5.5GT/s

Memory Bandwidth 264GB/s

ECC No

Power & Thermals

TDP 200W

Video Output

Max Resolution 4096x2160

Refresh Rate Calculator 3840x2160 Resolution4K UHD Refresh Rate 64Hz

Multi-Monitor 3

Adaptive Sync FreeSync

DSC Not Supported

HDCP HDCP 1.4

Ports

1x DisplayPort 1.2 1x HDMI 1.4 2x DVI-D Dual-Link

API Support

Shader Model 6.5

DirectX DirectX 12 Direct3D 12_0

OpenGL 4.6 OpenCL 2.1 Vulkan 1.2

GFX 8

Encoder

Encoder VCE 3.0

Codec AVC (H.264) HEVC (H.265)

Decoder

Decoder UVD 5.0

Codec MPEG-1 MPEG-2 MPEG-4 VC-1 AVC (H.264)

Card

Form Factor PCIe Card

PCIe PCIe 3.0 x16 2-Slots

Height 110mm (4.33") Width 267mm (10.51") Depth 37mm (1.46")

Cooling Blower 1x Fan

Power Connectors 1x 8-Pin, 1x 6-Pin

Multi-GPU Multi-GPU Support Supported Multi-GPU Type CrossFire XDMA

Chip

Manufacturer AMD

Chip Designer AMD

Architecture GCN 3

Family Radeon R 200

Branding

Codename Tonga

Chip Variant Tonga Pro

Market Segment Desktop

Release Date Sep 2, 2014

Fabrication

Foundry TSMC

Fabrication Node 28nm

Die Size 359mm²

Transistor Count 5B

Transistor Density 13.93 MTr/mm²

Images