NVIDIA GeForce RTX 3080 Ti 20 GB vs AMD Radeon RX 6850M XT
GPU Specs Compare
Graphics Card
Release Date
Jun 2025
Jan 2022
Generation
Navi IV
Navi Mobile
Type
Desktop
Mobile
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1700 MHz
2321 MHz
Boost Clock
3130 MHz
2581 MHz
Memory Clock
2518 MHz
2250 MHz
Memory
Memory Size
8GB
12GB
Memory Type
GDDR6
GDDR6
Memory Bus
128bit
192bit
Bandwidth
322.3GB/s
432.0GB/s
Render Config
SM Count
80
-
Compute Units
32
40
Shading Units
2048
2560
TMUs
128
160
ROPs
64
64
Tensor Cores
320
-
RT Cores
32
40
L1 Cache
128 KB (per SM)
128 KB per Array
L2 Cache
4 MB
3 MB
L3 Cache
32 MB
96 MB
Theoretical Performance
Pixel Rate
200.3 GPixel/s
165.2 GPixel/s
Texture Rate
400.6 GTexel/s
413.0 GTexel/s
FP16 (half)
51.28 TFLOPS
26.43 TFLOPS
FP32 (float)
25.64 TFLOPS
13.21 TFLOPS
FP64 (double)
801.3 GFLOPS
825.9 GFLOPS
Graphics Processor
GPU Name
Navi 44
Navi 22
GPU Variant
Navi 44 XT(215-176400102)
Navi 22 XTM
Architecture
RDNA 4.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
4 nm
7 nm
Transistors
29.7 billion
17.2 billion
Die Size
199 mm²
335 mm²
Board Design
TDP
150W
165W
Suggested PSU
450 W
-
Outputs
1x HDMI 2.1b2x DisplayPort 2.1a
Portable Device Dependent
Power Connectors
1x 8-pin
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.2
2.1
Vulkan
1.3
1.3
CUDA
8.6
-
Shader Model
6.8
6.8
📊 Benchmark
Blender
5,956
-