AMD Radeon R9 M485X vs NVIDIA GeForce RTX 3080 Ti 20 GB
GPU Specs Compare
Graphics Card
Release Date
May 2016
Jun 2025
Generation
Crystal System
Navi IV
Type
Mobile
Desktop
Bus Interface
MXM-B (3.0)
PCIe 5.0 x16
Clock Speeds
Memory Clock
1250 MHz
2518 MHz
Base Clock
-
1700 MHz
Boost Clock
-
3130 MHz
Memory
Memory Size
8GB
8GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
128bit
Bandwidth
160.0GB/s
322.3GB/s
Render Config
Compute Units
32
32
Shading Units
2048
2048
TMUs
128
128
ROPs
32
64
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
512 KB
4 MB
SM Count
-
80
Tensor Cores
-
320
RT Cores
-
32
L3 Cache
-
32 MB
Theoretical Performance
Pixel Rate
23.14 GPixel/s
200.3 GPixel/s
Texture Rate
92.54 GTexel/s
400.6 GTexel/s
FP16 (half)
2.961 TFLOPS
51.28 TFLOPS
FP32 (float)
2.961 TFLOPS
25.64 TFLOPS
FP64 (double)
185.1 GFLOPS
801.3 GFLOPS
Graphics Processor
GPU Name
Amethyst
Navi 44
GPU Variant
Amethyst XT
Navi 44 XT(215-176400102)
Architecture
GCN 3.0
RDNA 4.0
Foundry
TSMC
TSMC
Process Size
28 nm
4 nm
Transistors
5 billion
29.7 billion
Die Size
366 mm²
199 mm²
Board Design
TDP
250W
150W
Outputs
No outputs
1x HDMI 2.1b2x DisplayPort 2.1a
Power Connectors
None
1x 8-pin
Suggested PSU
-
450 W
Graphics Features
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.0
2.2
Vulkan
1.2
1.3
Shader Model
6.3
6.8
CUDA
-
8.6
📊 Benchmark
Blender
-
5,956