NVIDIA GeForce RTX 3080 Ti Max Q vs AMD Radeon R9 285
GPU Specs Compare
Graphics Card
Release Date
Jan 2022
Sep 2014
Generation
GeForce 30 Mobile
Volcanic Islands
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
585 MHz
-
Boost Clock
1125 MHz
-
Memory Clock
1500 MHz
1375 MHz
Memory
Memory Size
16GB
2GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
256bit
Bandwidth
384.0GB/s
176.0GB/s
Render Config
SM Count
58
-
Shading Units
7424
1792
TMUs
232
112
ROPs
96
32
Tensor Cores
232
-
RT Cores
58
-
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
4 MB
512 KB
Compute Units
-
28
Theoretical Performance
Pixel Rate
108.0 GPixel/s
29.38 GPixel/s
Texture Rate
261.0 GTexel/s
102.8 GTexel/s
FP16 (half)
16.70 TFLOPS
3.290 TFLOPS
FP32 (float)
16.70 TFLOPS
3.290 TFLOPS
FP64 (double)
261.0 GFLOPS
205.6 GFLOPS
Graphics Processor
GPU Name
GA103S
Tonga
GPU Variant
GN20-E8-A1
Tonga PRO(215-0851128)
Architecture
Ampere
GCN 3.0
Foundry
Samsung
TSMC
Process Size
8 nm
28 nm
Transistors
Unknown
5 billion
Die Size
496 mm²
366 mm²
Board Design
TDP
80W
190W
Outputs
No outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
None
2x 6-pin
Suggested PSU
-
450 W
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.3
1.2.170
CUDA
8.6
-
Shader Model
6.5
6.5