NVIDIA GeForce RTX 4080 Mobile vs AMD Radeon RX 6650 XT
GPU · Specs Compare
Graphics Card
Release Date
Jan 2023
May 2022
Generation
GeForce 40 Mobile
Navi II
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x8
Clock Speeds
Base Clock
1290 MHz
2055 MHz
Boost Clock
1665 MHz
2635 MHz
Memory Clock
2250 MHz
2190 MHz
Memory
Memory Size
12GB
8GB
Memory Type
GDDR6
GDDR6
Memory Bus
192bit
128bit
Bandwidth
432.0GB/s
280.3GB/s
Render Config
SM Count
58
—
Shading Units
7424
2048
TMUs
232
128
ROPs
80
64
Tensor Cores
232
—
RT Cores
58
32
L1 Cache
128 KB (per SM)
128 KB per Array
L2 Cache
48 MB
2 MB
Compute Units
—
32
L3 Cache
—
32 MB
Theoretical Performance
Pixel Rate
133.2 GPixel/s
168.6 GPixel/s
Texture Rate
386.3 GTexel/s
337.3 GTexel/s
FP16 (half)
24.72 TFLOPS
21.59 TFLOPS
FP32 (float)
24.72 TFLOPS
10.79 TFLOPS
FP64 (double)
386.3 GFLOPS
674.6 GFLOPS
Graphics Processor
GPU Name
AD104
Navi 23
GPU Variant
GN21-X9
Navi 23 KXT(215-130000136)
Architecture
Ada Lovelace
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
5 nm
7 nm
Transistors
35.8 billion
11.06 billion
Die Size
294 mm²
237 mm²
Board Design
TDP
110W
176W
Outputs
Portable Device Dependent
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
None
1x 8-pin
Suggested PSU
—
450 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
1.3
CUDA
8.9
—
Shader Model
6.8
6.5
▲ Specs Compare
Data sourced from official specifications and benchmark tests.