NVIDIA GeForce RTX 3060 3840SP vs AMD Radeon Instinct MI455X
GPU Specs Compare
Graphics Card
Release Date
Jan 2021
Jul 2026
Generation
GeForce 30
Radeon Instinct
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 6.0 x16
Clock Speeds
Base Clock
1627 MHz
1000 MHz
Boost Clock
1852 MHz
2400 MHz
Memory Clock
1750 MHz
1900 MHz
Memory
Memory Size
6GB
432GB
Memory Type
GDDR6
HBM4
Memory Bus
192bit
24576bit
Bandwidth
336.0GB/s
23.3TB/s
Render Config
SM Count
30
-
Shading Units
3840
32768
TMUs
120
1024
ROPs
48
0
Tensor Cores
120
-
RT Cores
30
-
L1 Cache
128 KB (per SM)
32 KB (per CU)
L2 Cache
3 MB
192 MB
Compute Units
-
256
Theoretical Performance
Pixel Rate
88.90 GPixel/s
0 MPixel/s
Texture Rate
222.2 GTexel/s
2457.6 GTexel/s
FP16 (half)
14.22 TFLOPS
157.3 TFLOPS
FP32 (float)
14.22 TFLOPS
157.3 TFLOPS
FP64 (double)
222.2 GFLOPS
2.458 TFLOPS
Graphics Processor
GPU Name
GA106
MI450 256CU
GPU Variant
GA106-400-A1
-
Architecture
Ampere
CDNA 5.0
Foundry
Samsung
TSMC
Process Size
8 nm
2 nm
Transistors
12 billion
320 billion
Die Size
276 mm²
Unknown
Board Design
TDP
185W
2300W
Suggested PSU
450 W
2700 W
Outputs
1x HDMI 2.13x DisplayPort 1.4a
No outputs
Power Connectors
1x 12-pin
None
Graphics Features
DirectX
12 Ultimate (12_2)
N/A
OpenGL
4.6
N/A
OpenCL
3.0
3.0
Vulkan
1.3
N/A
CUDA
8.6
-
Shader Model
6.7
N/A