Product Compare

NVIDIA GeForce RTX 4090 vs AMD Radeon 680M

GPU GPU
Graphics Card
Release Date Sep 2022 Jan 2022
Generation GeForce 40 Navi II IGP
Type Desktop Integrated
Bus Interface PCIe 4.0 x16 PCIe 4.0 x8
Clock Speeds
Base Clock 2235 MHz 2000 MHz
Boost Clock 2520 MHz 2200 MHz
Memory Clock 1313 MHz System Shared
Memory
Memory Size 24GB System Shared
Memory Type GDDR6X System Shared
Memory Bus 384bit System Shared
Bandwidth 1.01TB/s System Dependent
Render Config
SM Count 128
Shading Units 16384 768
TMUs 512 48
ROPs 176 32
Tensor Cores 512
RT Cores 128 12
L1 Cache 128 KB (per SM) 128 KB per Array
L2 Cache 72 MB 2 MB
Compute Units 12
Theoretical Performance
Pixel Rate 443.5 GPixel/s 70.40 GPixel/s
Texture Rate 1290.2 GTexel/s 105.6 GTexel/s
FP16 (half) 82.58 TFLOPS 6.758 TFLOPS
FP32 (float) 82.58 TFLOPS 3.379 TFLOPS
FP64 (double) 1290.2 GFLOPS 211.2 GFLOPS
Graphics Processor
GPU Name AD102 Rembrandt
GPU Variant AD102-300-A1
Architecture Ada Lovelace RDNA 2.0
Foundry TSMC TSMC
Process Size 5 nm 6 nm
Transistors 76.3 billion 13.1 billion
Die Size 609 mm² 208 mm²
Board Design
TDP 450W 50W
Suggested PSU 850 W
Outputs 1x HDMI 2.13x DisplayPort 1.4a Portable Device Dependent
Power Connectors 1x 16-pin None
Graphics Features
DirectX 12 Ultimate (12_2) 12 Ultimate (12_2)
OpenGL 4.6 4.6
OpenCL 3.0 2.0
Vulkan 1.4 1.3
CUDA 8.9
Shader Model 6.8 6.7