Product Compare

AMD Radeon RX 6600 XT vs NVIDIA GeForce GTX 680MX Mac Edition

GPU GPU
Graphics Card
Release Date Jul 2021 Oct 2012
Generation Navi II GeForce 600M
Type Desktop Mobile
Bus Interface PCIe 4.0 x8 PCIe 3.0 x16
Clock Speeds
Base Clock 1968 MHz
Boost Clock 2589 MHz
Memory Clock 2000 MHz 1250 MHz
Memory
Memory Size 8GB 2GB
Memory Type GDDR6 GDDR5
Memory Bus 128bit 256bit
Bandwidth 256.0GB/s 160.0GB/s
Render Config
Compute Units 32
Shading Units 2048 1536
TMUs 128 128
ROPs 64 32
RT Cores 32
L1 Cache 128 KB per Array 16 KB (per SMX)
L2 Cache 2 MB 512 KB
L3 Cache 32 MB
Theoretical Performance
Pixel Rate 165.7 GPixel/s 23.01 GPixel/s
Texture Rate 331.4 GTexel/s 92.03 GTexel/s
FP16 (half) 21.21 TFLOPS
FP32 (float) 10.60 TFLOPS 2.209 TFLOPS
FP64 (double) 662.8 GFLOPS 92.03 GFLOPS
Graphics Processor
GPU Name Navi 23 GK104
GPU Variant Navi 23 XT(215-130000006) N13E-GTX2-A2
Architecture RDNA 2.0 Kepler
Foundry TSMC TSMC
Process Size 7 nm 28 nm
Transistors 11.06 billion 3.54 billion
Die Size 237 mm² 294 mm²
Board Design
TDP 160W 122W
Suggested PSU 450 W
Outputs 1x HDMI 2.13x DisplayPort 1.4a No outputs
Power Connectors 1x 8-pin
Graphics Features
DirectX 12 Ultimate (12_2) 12 (11_0)
OpenGL 4.6 4.6
OpenCL 2.1 3.0
Vulkan 1.3 1.1
Shader Model 6.7 5.1
CUDA 3.0