NVIDIA GeForce RTX 3080 Mobile vs AMD Radeon RX 6850M XT

GPU · Specs Compare

Products
GPU NVIDIA GeForce RTX 3080 Mobile NVIDIA · 2021-01
GPU AMD Radeon RX 6850M XT AMD · 2022-01
Graphics Card
Release Date
Jan 2021
Jan 2022
Generation
GeForce 30 Mobile
Navi Mobile
Type
Mobile
Mobile
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1110 MHz
2321 MHz
Boost Clock
1545 MHz
2581 MHz
Memory Clock
1750 MHz
2250 MHz
Memory
Memory Size
8GB
12GB
Memory Type
GDDR6
GDDR6
Memory Bus
256bit
192bit
Bandwidth
448.0GB/s
432.0GB/s
Render Config
SM Count
48
—
Shading Units
6144
2560
TMUs
192
160
ROPs
96
64
Tensor Cores
192
—
RT Cores
48
40
L1 Cache
128 KB (per SM)
128 KB per Array
L2 Cache
4 MB
3 MB
Compute Units
—
40
L3 Cache
—
96 MB
Theoretical Performance
Pixel Rate
148.3 GPixel/s
165.2 GPixel/s
Texture Rate
296.6 GTexel/s
413.0 GTexel/s
FP16 (half)
18.98 TFLOPS
26.43 TFLOPS
FP32 (float)
18.98 TFLOPS
13.21 TFLOPS
FP64 (double)
296.6 GFLOPS
825.9 GFLOPS
Graphics Processor
GPU Name
GA104
Navi 22
GPU Variant
GA104-775-A1
Navi 22 XTM
Architecture
Ampere
RDNA 2.0
Foundry
Samsung
TSMC
Process Size
8 nm
7 nm
Transistors
17.4 billion
17.2 billion
Die Size
392 mm²
335 mm²
Board Design
TDP
115W
165W
Outputs
No outputs
Portable Device Dependent
Power Connectors
None
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.3
1.3
CUDA
8.6
—
Shader Model
6.6
6.8
▲ Specs Compare Data sourced from official specifications and benchmark tests.