Product Compare

NVIDIA GeForce GTX TITAN X vs AMD Radeon HD 7870 XT

GPU GPU
Graphics Card
Release Date Mar 2015 Nov 2012
Generation GeForce 900 Southern Islands
Type Desktop Desktop
Bus Interface PCIe 3.0 x16 PCIe 3.0 x16
Clock Speeds
Base Clock 1000 MHz 925 MHz
Boost Clock 1089 MHz 975 MHz
Memory Clock 1753 MHz 1500 MHz
Memory
Memory Size 12GB 2GB
Memory Type GDDR5 GDDR5
Memory Bus 384bit 256bit
Bandwidth 336.6GB/s 192.0GB/s
Render Config
Shading Units 3072 1536
TMUs 192 96
ROPs 96 32
L1 Cache 48 KB (per SMM) 16 KB (per CU)
L2 Cache 3 MB 512 KB
Compute Units 24
Theoretical Performance
Pixel Rate 104.5 GPixel/s 31.20 GPixel/s
Texture Rate 209.1 GTexel/s 93.60 GTexel/s
FP32 (float) 6.691 TFLOPS 2.995 TFLOPS
FP64 (double) 209.1 GFLOPS 748.8 GFLOPS
Graphics Processor
GPU Name GM200 Tahiti
GPU Variant GM200-400-A1 Tahiti LE(215-0821122)
Architecture Maxwell 2.0 GCN 1.0
Foundry TSMC TSMC
Process Size 28 nm 28 nm
Transistors 8 billion 4.313 billion
Die Size 601 mm² 352 mm²
Board Design
TDP 250W 185W
Suggested PSU 600 W 450 W
Outputs 1x DVI1x HDMI 2.03x DisplayPort 1.4a 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors 1x 6-pin + 1x 8-pin 2x 6-pin
Graphics Features
DirectX 12 (12_1) 12 (11_1)
OpenGL 4.6 4.6
OpenCL 3.0 1.2
Vulkan 1.3 1.2
CUDA 5.2
Shader Model 6.4 5.1