Product Compare

NVIDIA GeForce GTX TITAN vs AMD Radeon HD 7870 XT

GPU GPU
Graphics Card
Release Date Feb 2013 Nov 2012
Generation GeForce 700 Southern Islands
Type Desktop Desktop
Bus Interface PCIe 3.0 x16 PCIe 3.0 x16
Clock Speeds
Base Clock 836 MHz 925 MHz
Boost Clock 876 MHz 975 MHz
Memory Clock 1502 MHz 1500 MHz
Memory
Memory Size 6GB 2GB
Memory Type GDDR5 GDDR5
Memory Bus 384bit 256bit
Bandwidth 288.4GB/s 192.0GB/s
Render Config
Shading Units 2688 1536
TMUs 224 96
ROPs 48 32
L1 Cache 16 KB (per SMX) 16 KB (per CU)
L2 Cache 1536 KB 512 KB
Compute Units 24
Theoretical Performance
Pixel Rate 49.06 GPixel/s 31.20 GPixel/s
Texture Rate 196.2 GTexel/s 93.60 GTexel/s
FP32 (float) 4.709 TFLOPS 2.995 TFLOPS
FP64 (double) 1.570 TFLOPS 748.8 GFLOPS
Graphics Processor
GPU Name GK110 Tahiti
GPU Variant GK110-400-A1 Tahiti LE(215-0821122)
Architecture Kepler GCN 1.0
Foundry TSMC TSMC
Process Size 28 nm 28 nm
Transistors 7.08 billion 4.313 billion
Die Size 561 mm² 352 mm²
Board Design
TDP 250W 185W
Suggested PSU 600 W 450 W
Outputs 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors 1x 6-pin + 1x 8-pin 2x 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