Product Compare

AMD Radeon R9 M390X vs NVIDIA GeForce GTX 780M

GPU GPU
Graphics Card
Release Date May 2015 May 2013
Generation Crystal System GeForce 700M
Type Mobile Mobile
Bus Interface PCIe 3.0 x16 MXM-B (3.0)
Clock Speeds
Memory Clock 1250 MHz 1250 MHz
Base Clock 771 MHz
Boost Clock 797 MHz
Memory
Memory Size 4GB 4GB
Memory Type GDDR5 GDDR5
Memory Bus 256bit 256bit
Bandwidth 160.0GB/s 160.0GB/s
Render Config
Compute Units 32
Shading Units 2048 1536
TMUs 128 128
ROPs 32 32
L1 Cache 16 KB (per CU) 16 KB (per SMX)
L2 Cache 512 KB 512 KB
Theoretical Performance
Pixel Rate 23.14 GPixel/s 25.50 GPixel/s
Texture Rate 92.54 GTexel/s 102.0 GTexel/s
FP16 (half) 2.961 TFLOPS
FP32 (float) 2.961 TFLOPS 2.448 TFLOPS
FP64 (double) 185.1 GFLOPS 102.0 GFLOPS
Graphics Processor
GPU Name Amethyst GK104
GPU Variant Amethyst XT N14E-GTX-A2
Architecture GCN 3.0 Kepler
Foundry TSMC TSMC
Process Size 28 nm 28 nm
Transistors 5 billion 3.54 billion
Die Size 366 mm² 294 mm²
Board Design
TDP 75W 122W
Outputs No outputs No outputs
Power Connectors None None
Graphics Features
DirectX 12 (12_0) 12 (11_0)
OpenGL 4.6 4.6
OpenCL 2.0 3.0
Vulkan 1.2 1.1
Shader Model 6.3 5.1
CUDA 3.0