AMD Radeon 680M vs NVIDIA GeForce RTX 4080 Max-Q
GPU · Specs Compare
Graphics Card
Release Date
Jan 2022
Jan 2023
Generation
Navi II IGP
GeForce 40 Mobile
Type
Integrated
Mobile
Bus Interface
PCIe 4.0 x8
PCIe 4.0 x16
Clock Speeds
Base Clock
2000 MHz
795 MHz
Boost Clock
2200 MHz
1350 MHz
Memory Clock
System Shared
1750 MHz
Memory
Memory Size
System Shared
12GB
Memory Type
System Shared
GDDR6
Memory Bus
System Shared
192bit
Bandwidth
System Dependent
336.0GB/s
Render Config
Compute Units
12
—
Shading Units
768
7424
TMUs
48
232
ROPs
32
80
RT Cores
12
58
L1 Cache
128 KB per Array
128 KB (per SM)
L2 Cache
2 MB
48 MB
SM Count
—
58
Tensor Cores
—
232
Theoretical Performance
Pixel Rate
70.40 GPixel/s
108.0 GPixel/s
Texture Rate
105.6 GTexel/s
313.2 GTexel/s
FP16 (half)
6.758 TFLOPS
20.04 TFLOPS
FP32 (float)
3.379 TFLOPS
20.04 TFLOPS
FP64 (double)
211.2 GFLOPS
313.2 GFLOPS
Graphics Processor
GPU Name
Rembrandt
AD104
Architecture
RDNA 2.0
Ada Lovelace
Foundry
TSMC
TSMC
Process Size
6 nm
4 nm
Transistors
13.1 billion
35.8 billion
Die Size
208 mm²
295 mm²
GPU Variant
—
GN21-X9
Board Design
TDP
50W
60W
Outputs
Portable Device Dependent
Portable Device Dependent
Power Connectors
None
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.0
3.0
Vulkan
1.3
1.3
Shader Model
6.7
6.7
CUDA
—
8.9
▲ Specs Compare
Data sourced from official specifications and benchmark tests.