NVIDIA GeForce RTX 3090 vs AMD Radeon RX 6650 XT
GPU Specs Compare
Graphics Card
Release Date
Sep 2020
May 2022
Generation
GeForce 30
Navi II
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x8
Clock Speeds
Base Clock
1395 MHz
2055 MHz
Boost Clock
1695 MHz
2635 MHz
Memory Clock
1219 MHz
2190 MHz
Memory
Memory Size
24GB
8GB
Memory Type
GDDR6X
GDDR6
Memory Bus
384bit
128bit
Bandwidth
936.2GB/s
280.3GB/s
Render Config
SM Count
82
-
Shading Units
10496
2048
TMUs
328
128
ROPs
112
64
Tensor Cores
328
-
RT Cores
82
32
L1 Cache
128 KB (per SM)
128 KB per Array
L2 Cache
6 MB
2 MB
Compute Units
-
32
L3 Cache
-
32 MB
Theoretical Performance
Pixel Rate
189.8 GPixel/s
168.6 GPixel/s
Texture Rate
556.0 GTexel/s
337.3 GTexel/s
FP16 (half)
35.58 TFLOPS
21.59 TFLOPS
FP32 (float)
35.58 TFLOPS
10.79 TFLOPS
FP64 (double)
556.0 GFLOPS
674.6 GFLOPS
Graphics Processor
GPU Name
GA102
Navi 23
GPU Variant
GA102-300-A1
Navi 23 KXT(215-130000136)
Architecture
Ampere
RDNA 2.0
Foundry
Samsung
TSMC
Process Size
8 nm
7 nm
Transistors
28.3 billion
11.06 billion
Die Size
628 mm²
237 mm²
Board Design
TDP
350W
176W
Suggested PSU
750 W
450 W
Outputs
1x HDMI 2.13x DisplayPort 1.4a
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
1x 12-pin
1x 8-pin
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
6.5