Product Compare

NVIDIA GeForce GTX 660 OEM vs AMD Radeon Instinct MI250X

GPU GPU
Graphics Card
Release Date Aug 2012 Nov 2021
Generation GeForce 600 Radeon Instinct
Type Desktop Professional
Bus Interface PCIe 3.0 x16 PCIe 4.0 x16
Clock Speeds
Base Clock 823 MHz 1000 MHz
Boost Clock 888 MHz 1700 MHz
Memory Clock 1400 MHz 1600 MHz
Memory
Memory Size 1536MB 128GB
Memory Type GDDR5 HBM2e
Memory Bus 192bit 8192bit
Bandwidth 134.4GB/s 3277GB/s
Render Config
Shading Units 1152 14080
TMUs 96 880
ROPs 24 0
L1 Cache 16 KB (per SMX) 16 KB (per CU)
L2 Cache 384 KB 16 MB
Compute Units 220
Theoretical Performance
Pixel Rate 21.31 GPixel/s 0 MPixel/s
Texture Rate 85.25 GTexel/s 1496 GTexel/s
FP32 (float) 2.046 TFLOPS 47.87 TFLOPS
FP64 (double) 85.25 GFLOPS 47.87 TFLOPS
FP16 (half) 383.0 TFLOPS
Graphics Processor
GPU Name GK104 Aldebaran
GPU Variant GK104-200-KD-A2 Aldebaran XT
Architecture Kepler CDNA 2.0
Foundry TSMC TSMC
Process Size 28 nm 6 nm
Transistors 3.54 billion 58.2 billion
Die Size 294 mm² Unknown
Board Design
TDP 130W 500W
Suggested PSU 300 W 900 W
Outputs 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 No outputs
Power Connectors 1x 6-pin 2x 8-pin
Graphics Features
DirectX 12 (11_0) N/A
OpenGL 4.6 N/A
OpenCL 3.0 3.0
Vulkan 1.1 N/A
CUDA 3.0
Shader Model 5.1 N/A