Product Compare

NVIDIA GeForce GTX 680 vs AMD Radeon RX 6600M

GPU GPU
Graphics Card
Release Date Mar 2012 May 2021
Generation GeForce 600 Mobility Radeon
Type Desktop Mobile
Bus Interface PCIe 3.0 x16 PCIe 4.0 x8
Clock Speeds
Base Clock 1006 MHz 2068 MHz
Boost Clock 1058 MHz 2416 MHz
Memory Clock 1502 MHz 1750 MHz
Memory
Memory Size 2GB 8GB
Memory Type GDDR5 GDDR6
Memory Bus 256bit 128bit
Bandwidth 192.3GB/s 224.0GB/s
Render Config
Shading Units 1536 1792
TMUs 128 112
ROPs 32 64
L1 Cache 16 KB (per SMX) 128 KB per Array
L2 Cache 512 KB 2 MB
Compute Units 28
RT Cores 28
L3 Cache 32 MB
Theoretical Performance
Pixel Rate 33.86 GPixel/s 154.6 GPixel/s
Texture Rate 135.4 GTexel/s 270.6 GTexel/s
FP32 (float) 3.250 TFLOPS 8.659 TFLOPS
FP64 (double) 135.4 GFLOPS 541.2 GFLOPS
FP16 (half) 17.32 TFLOPS
Graphics Processor
GPU Name GK104 Navi 23
GPU Variant GK104-400-A2
Architecture Kepler RDNA 2.0
Foundry TSMC TSMC
Process Size 28 nm 7 nm
Transistors 3.54 billion 11.06 billion
Die Size 294 mm² 237 mm²
Board Design
TDP 195W 100W
Suggested PSU 450 W
Outputs 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 No outputs
Power Connectors 2x 6-pin None
Graphics Features
DirectX 12 (11_0) 12 Ultimate (12_2)
OpenGL 4.6 4.6
OpenCL 3.0 2.1
Vulkan 1.2.175 1.3
CUDA 3.0
Shader Model 6.5 (5.1) 6.5