Product Compare

NVIDIA GeForce GTX TITAN vs AMD Radeon R7 265

GPU GPU
Graphics Card
Release Date Feb 2013 Feb 2014
Generation GeForce 700 Volcanic Islands
Type Desktop Desktop
Bus Interface PCIe 3.0 x16 PCIe 3.0 x16
Clock Speeds
Base Clock 836 MHz 900 MHz
Boost Clock 876 MHz 925 MHz
Memory Clock 1502 MHz 1400 MHz
Memory
Memory Size 6GB 2GB
Memory Type GDDR5 GDDR5
Memory Bus 384bit 256bit
Bandwidth 288.4GB/s 179.2GB/s
Render Config
Shading Units 2688 1024
TMUs 224 64
ROPs 48 32
L1 Cache 16 KB (per SMX) 16 KB (per CU)
L2 Cache 1536 KB 512 KB
Compute Units 16
Theoretical Performance
Pixel Rate 49.06 GPixel/s 29.60 GPixel/s
Texture Rate 196.2 GTexel/s 59.20 GTexel/s
FP32 (float) 4.709 TFLOPS 1.894 TFLOPS
FP64 (double) 1.570 TFLOPS 118.4 GFLOPS
Graphics Processor
GPU Name GK110 Pitcairn
GPU Variant GK110-400-A1 Pitcairn PRO(215-0828062)
Architecture Kepler GCN 1.0
Foundry TSMC TSMC
Process Size 28 nm 28 nm
Transistors 7.08 billion 2.8 billion
Die Size 561 mm² 212 mm²
Board Design
TDP 250W 150W
Suggested PSU 600 W 450 W
Outputs 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors 1x 6-pin + 1x 8-pin 1x 6-pin
Graphics Features
DirectX 12 (11_0) 12 (11_1)
OpenGL 4.6 4.6
OpenCL 3.0 1.2
Vulkan 1.1 1.2
CUDA 3.5
Shader Model 5.1 5.1