Product Compare

NVIDIA GeForce GTX 880M vs AMD Radeon R9 M280X

GPU GPU
Graphics Card
Release Date Mar 2014 Feb 2015
Generation GeForce 800M Gem System
Type Mobile Mobile
Bus Interface MXM-B (3.0) PCIe 3.0 x16
Clock Speeds
Base Clock 954 MHz 900 MHz
Boost Clock 993 MHz 1000 MHz
Memory Clock 1250 MHz 1375 MHz
Memory
Memory Size 8GB 4GB
Memory Type GDDR5 GDDR5
Memory Bus 256bit 128bit
Bandwidth 160.0GB/s 88.00GB/s
Render Config
Shading Units 1536 896
TMUs 128 56
ROPs 32 16
L1 Cache 16 KB (per SMX) 16 KB (per CU)
L2 Cache 512 KB 256 KB
Compute Units 14
Theoretical Performance
Pixel Rate 31.78 GPixel/s 16.00 GPixel/s
Texture Rate 127.1 GTexel/s 56.00 GTexel/s
FP32 (float) 3.050 TFLOPS 1.792 TFLOPS
FP64 (double) 127.1 GFLOPS 112.0 GFLOPS
Graphics Processor
GPU Name GK104 Saturn
GPU Variant N15E-GX-A2 Saturn XT(216-0843024)
Architecture Kepler GCN 2.0
Foundry TSMC TSMC
Process Size 28 nm 28 nm
Transistors 3.54 billion 2.08 billion
Die Size 294 mm² 160 mm²
Board Design
TDP 122W Unknown
Outputs No outputs Portable Device Dependent
Power Connectors None
Graphics Features
DirectX 12 (11_0) 12 (12_0)
OpenGL 4.6 4.6
OpenCL 3.0 2.1
Vulkan 1.1 1.2.170
CUDA 3.0
Shader Model 5.1 6.5