Product Compare

NVIDIA GeForce GTX 870M vs NVIDIA GeForce RTX 3090

GPU GPU
Graphics Card
Release Date Mar 2014 Sep 2020
Generation GeForce 800M GeForce 30
Type Mobile Desktop
Bus Interface MXM-B (3.0) PCIe 4.0 x16
Clock Speeds
Base Clock 941 MHz 1395 MHz
Boost Clock 967 MHz 1695 MHz
Memory Clock 1250 MHz 1219 MHz
Memory
Memory Size 3GB 24GB
Memory Type GDDR5 GDDR6X
Memory Bus 192bit 384bit
Bandwidth 120.0GB/s 936.2GB/s
Render Config
Shading Units 1344 10496
TMUs 112 328
ROPs 24 112
L1 Cache 16 KB (per SMX) 128 KB (per SM)
L2 Cache 384 KB 6 MB
SM Count 82
Tensor Cores 328
RT Cores 82
Theoretical Performance
Pixel Rate 27.08 GPixel/s 189.8 GPixel/s
Texture Rate 108.3 GTexel/s 556.0 GTexel/s
FP32 (float) 2.599 TFLOPS 35.58 TFLOPS
FP64 (double) 108.3 GFLOPS 556.0 GFLOPS
FP16 (half) 35.58 TFLOPS
Graphics Processor
GPU Name GK104 GA102
GPU Variant N15E-GT-A2 GA102-300-A1
Architecture Kepler Ampere
Foundry TSMC Samsung
Process Size 28 nm 8 nm
Transistors 3.54 billion 28.3 billion
Die Size 294 mm² 628 mm²
Board Design
TDP 100W 350W
Outputs No outputs 1x HDMI 2.13x DisplayPort 1.4a
Power Connectors None 1x 12-pin
Suggested PSU 750 W
Graphics Features
DirectX 12 (11_0) 12 Ultimate (12_2)
OpenGL 4.6 4.6
OpenCL 3.0 3.0
Vulkan 1.1 1.3
CUDA 3.0 8.6
Shader Model 5.1 6.6