AMD Radeon R9 390X vs NVIDIA GeForce RTX 3080 Ti Max Q
GPU · Specs Compare
Graphics Card
Release Date
Jun 2015
Jan 2022
Generation
Pirate Islands
GeForce 30 Mobile
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Memory Clock
1500 MHz
1500 MHz
Base Clock
—
585 MHz
Boost Clock
—
1125 MHz
Memory
Memory Size
8GB
16GB
Memory Type
GDDR5
GDDR6
Memory Bus
512bit
256bit
Bandwidth
384.0GB/s
384.0GB/s
Render Config
Compute Units
44
—
Shading Units
2816
7424
TMUs
176
232
ROPs
64
96
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
1024 KB
4 MB
SM Count
—
58
Tensor Cores
—
232
RT Cores
—
58
Theoretical Performance
Pixel Rate
67.20 GPixel/s
108.0 GPixel/s
Texture Rate
184.8 GTexel/s
261.0 GTexel/s
FP32 (float)
5.914 TFLOPS
16.70 TFLOPS
FP64 (double)
739.2 GFLOPS
261.0 GFLOPS
FP16 (half)
—
16.70 TFLOPS
Graphics Processor
GPU Name
Grenada
GA103S
GPU Variant
Grenada XT(215-0880004)
GN20-E8-A1
Architecture
GCN 2.0
Ampere
Foundry
TSMC
Samsung
Process Size
28 nm
8 nm
Transistors
6.2 billion
Unknown
Die Size
438 mm²
496 mm²
Board Design
TDP
275W
80W
Suggested PSU
600 W
—
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
No outputs
Power Connectors
1x 6-pin + 1x 8-pin
None
Graphics Features
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.0
3.0
Vulkan
1.2
1.3
Shader Model
6.3
6.5
CUDA
—
8.6
▲ Specs Compare
Data sourced from official specifications and benchmark tests.