NVIDIA GeForce RTX 4080 Max-Q vs AMD Radeon R9 M485X
GPU · Specs Compare
Graphics Card
Release Date
Jan 2023
May 2016
Generation
GeForce 40 Mobile
Crystal System
Type
Mobile
Mobile
Bus Interface
PCIe 4.0 x16
MXM-B (3.0)
Clock Speeds
Base Clock
795 MHz
—
Boost Clock
1350 MHz
—
Memory Clock
1750 MHz
1250 MHz
Memory
Memory Size
12GB
8GB
Memory Type
GDDR6
GDDR5
Memory Bus
192bit
256bit
Bandwidth
336.0GB/s
160.0GB/s
Render Config
SM Count
58
—
Shading Units
7424
2048
TMUs
232
128
ROPs
80
32
Tensor Cores
232
—
RT Cores
58
—
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
48 MB
512 KB
Compute Units
—
32
Theoretical Performance
Pixel Rate
108.0 GPixel/s
23.14 GPixel/s
Texture Rate
313.2 GTexel/s
92.54 GTexel/s
FP16 (half)
20.04 TFLOPS
2.961 TFLOPS
FP32 (float)
20.04 TFLOPS
2.961 TFLOPS
FP64 (double)
313.2 GFLOPS
185.1 GFLOPS
Graphics Processor
GPU Name
AD104
Amethyst
GPU Variant
GN21-X9
Amethyst XT
Architecture
Ada Lovelace
GCN 3.0
Foundry
TSMC
TSMC
Process Size
4 nm
28 nm
Transistors
35.8 billion
5 billion
Die Size
295 mm²
366 mm²
Board Design
TDP
60W
250W
Outputs
Portable Device Dependent
No outputs
Power Connectors
None
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.0
Vulkan
1.3
1.2
CUDA
8.9
—
Shader Model
6.7
6.3
▲ Specs Compare
Data sourced from official specifications and benchmark tests.