NVIDIA GeForce RTX 3080 Ti Mobile vs AMD Radeon RX 6900 XT
GPU Specs Compare
Graphics Card
Release Date
Jan 2022
Oct 2020
Generation
GeForce 30 Mobile
Navi II
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
810 MHz
1825 MHz
Boost Clock
1260 MHz
2250 MHz
Memory Clock
2000 MHz
2000 MHz
Memory
Memory Size
16GB
16GB
Memory Type
GDDR6
GDDR6
Memory Bus
256bit
256bit
Bandwidth
512.0GB/s
512.0GB/s
Render Config
SM Count
58
-
Shading Units
7424
5120
TMUs
232
320
ROPs
96
128
Tensor Cores
232
-
RT Cores
58
80
L1 Cache
128 KB (per SM)
128 KB per Array
L2 Cache
4 MB
4 MB
Compute Units
-
80
L3 Cache
-
128 MB
Theoretical Performance
Pixel Rate
121.0 GPixel/s
288.0 GPixel/s
Texture Rate
292.3 GTexel/s
720.0 GTexel/s
FP16 (half)
18.71 TFLOPS
46.08 TFLOPS
FP32 (float)
18.71 TFLOPS
23.04 TFLOPS
FP64 (double)
292.3 GFLOPS
1440.0 GFLOPS
Graphics Processor
GPU Name
GA103S
Navi 21
GPU Variant
GN20-E8-A1
Navi 21 XTX(215-121000167)
Architecture
Ampere
RDNA 2.0
Foundry
Samsung
TSMC
Process Size
8 nm
7 nm
Transistors
Unknown
26.8 billion
Die Size
496 mm²
520 mm²
Board Design
TDP
115W
300W
Outputs
No outputs
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
Power Connectors
None
2x 8-pin
Suggested PSU
-
700 W
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.3
1.4
CUDA
8.6
-
Shader Model
6.5
6.8
📊 Benchmark
3DMark Time Spy
12,905
20,764
3DMark Time Spy Extreme
6,164
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