AMD Radeon R9 390 vs NVIDIA GeForce GTX TITAN Z

Table of Contents

Graphics Processor

GPU model Grenada GK110B
GPU variant Grenada PRO (215-0880030) GK110-350-B1
Architecture GCN 2.0 Kepler
Foundry TSMC TSMC
Manufacturing process 28 nm 28 nm
Number of transistors 6,200 million 7,080 million
Die size 438 mm² 561 mm²

Graphics Card

Release date Jun 18th, 2015 May 28th, 2014
Generation Pirate Islands GeForce 700
Production End-of-life End-of-life
Launch price 329 USD 2,999 USD
Interface PCIe 3.0 x16 PCIe 3.0 x16
Reviews 35 in our database 4 in our database
Predecessor Volcanic Islands GeForce 600
Successor Arctic Islands GeForce 900

Clocks

GPU clock 1000 MHz
Memory clock 1500 MHz 6 Gbps effective 1750 MHz 7 Gbps effective
Base clock 705 MHz
Boost clock 876 MHz

Memory Configuration

Memory size 8 GB 6 GB
Memory type GDDR5 GDDR5
Memory bus width 512 bit 384 bit
Bandwidth 384.0 GB/s 336.0 GB/s

Render Configuration

Shading units 2560 2880
TMUs 160 240
ROPs 64 48
Compute units 40
Cache L1 16 KB (per CU) 16 KB (per SMX)
Cache L2 1024 KB 1536 KB
SMX count 15

Performance

Pixel rate 64.00 GPixel/s 52.56 GPixel/s
Texture rate 160.0 GTexel/s 210.2 GTexel/s
FP32 (float) performance 5.120 TFLOPS 5.046 TFLOPS
FP64 (double) performance 640.0 GFLOPS (1:8) 1.682 TFLOPS (1:3)

Dimensions & Outputs

Slot width Dual-slot Triple-slot
Length 275 mm 10.8 inches 267 mm 10.5 inches
Width 109 mm 4.3 inches 111 mm 4.4 inches
Height 36 mm 1.4 inches 62 mm 2.4 inches
TDP 275 W 375 W
Suggested PSU 600 W 750 W
Outputs 2x DVI1x HDMI1x DisplayPort 2x DVI1x HDMI1x DisplayPort
Power connectors 1x 6-pin + 1x 8-pin 2x 8-pin
Board number C679 P2080

API Support & Features

DirectX 12 (12_0) 12 (11_1)
OpenGL 4.6 4.6
OpenCL 2.0 3.0
Vulkan 1.2 1.1
Shader model 6.3 5.1
CUDA 3.5

Other Features

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