AMD Radeon RX 6650 XT vs NVIDIA GeForce RTX 4090
GPU · Specs Compare
Graphics Card
Release Date
May 2022
Sep 2022
Generation
Navi II
GeForce 40
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 4.0 x16
Clock Speeds
Base Clock
2055 MHz
2235 MHz
Boost Clock
2635 MHz
2520 MHz
Memory Clock
2190 MHz
1313 MHz
Memory
Memory Size
8GB
24GB
Memory Type
GDDR6
GDDR6X
Memory Bus
128bit
384bit
Bandwidth
280.3GB/s
1.01TB/s
Render Config
Compute Units
32
—
Shading Units
2048
16384
TMUs
128
512
ROPs
64
176
RT Cores
32
128
L1 Cache
128 KB per Array
128 KB (per SM)
L2 Cache
2 MB
72 MB
L3 Cache
32 MB
—
SM Count
—
128
Tensor Cores
—
512
Theoretical Performance
Pixel Rate
168.6 GPixel/s
443.5 GPixel/s
Texture Rate
337.3 GTexel/s
1290.2 GTexel/s
FP16 (half)
21.59 TFLOPS
82.58 TFLOPS
FP32 (float)
10.79 TFLOPS
82.58 TFLOPS
FP64 (double)
674.6 GFLOPS
1290.2 GFLOPS
Graphics Processor
GPU Name
Navi 23
AD102
GPU Variant
Navi 23 KXT(215-130000136)
AD102-300-A1
Architecture
RDNA 2.0
Ada Lovelace
Foundry
TSMC
TSMC
Process Size
7 nm
5 nm
Transistors
11.06 billion
76.3 billion
Die Size
237 mm²
609 mm²
Board Design
TDP
176W
450W
Suggested PSU
450 W
850 W
Outputs
1x HDMI 2.13x DisplayPort 1.4a
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
1x 8-pin
1x 16-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1
3.0
Vulkan
1.3
1.4
Shader Model
6.5
6.8
CUDA
—
8.9
▲ Specs Compare
Data sourced from official specifications and benchmark tests.