Product Compare

AMD Radeon R7 265 vs NVIDIA GeForce GTX TITAN Z

GPU GPU
Graphics Card
Release Date Feb 2014 May 2014
Generation Volcanic Islands GeForce 700
Type Desktop Desktop
Bus Interface PCIe 3.0 x16 PCIe 3.0 x16
Clock Speeds
Base Clock 900 MHz 705 MHz
Boost Clock 925 MHz 876 MHz
Memory Clock 1400 MHz 1750 MHz
Memory
Memory Size 2GB 6GB
Memory Type GDDR5 GDDR5
Memory Bus 256bit 384bit
Bandwidth 179.2GB/s 336.0GB/s
Render Config
Compute Units 16
Shading Units 1024 2880
TMUs 64 240
ROPs 32 48
L1 Cache 16 KB (per CU) 16 KB (per SMX)
L2 Cache 512 KB 1536 KB
Theoretical Performance
Pixel Rate 29.60 GPixel/s 52.56 GPixel/s
Texture Rate 59.20 GTexel/s 210.2 GTexel/s
FP32 (float) 1.894 TFLOPS 5.046 TFLOPS
FP64 (double) 118.4 GFLOPS 1.682 TFLOPS
Graphics Processor
GPU Name Pitcairn GK110B
GPU Variant Pitcairn PRO(215-0828062) GK110-350-B1
Architecture GCN 1.0 Kepler
Foundry TSMC TSMC
Process Size 28 nm 28 nm
Transistors 2.8 billion 7.08 billion
Die Size 212 mm² 561 mm²
Board Design
TDP 150W 375W
Suggested PSU 450 W 750 W
Outputs 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors 1x 6-pin 2x 8-pin
Graphics Features
DirectX 12 (11_1) 12 (11_1)
OpenGL 4.6 4.6
OpenCL 1.2 3.0
Vulkan 1.2 1.2.175
Shader Model 5.1 6.5 (5.1)
CUDA 3.5