NVIDIA RTX 4000 Ada Generation vs AMD Radeon RX 6650 XT
GPU · Specs Compare
Graphics Card
Release Date
Aug 2023
May 2022
Generation
Workstation Ada
Navi II
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x8
Clock Speeds
Base Clock
1500 MHz
2055 MHz
Boost Clock
2175 MHz
2635 MHz
Memory Clock
2250 MHz
2190 MHz
Memory
Memory Size
20GB
8GB
Memory Type
GDDR6
GDDR6
Memory Bus
160bit
128bit
Bandwidth
360.0GB/s
280.3GB/s
Render Config
SM Count
48
—
Shading Units
6144
2048
TMUs
192
128
ROPs
64
64
Tensor Cores
192
—
RT Cores
48
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
139.2 GPixel/s
168.6 GPixel/s
Texture Rate
417.6 GTexel/s
337.3 GTexel/s
FP16 (half)
26.73 TFLOPS
21.59 TFLOPS
FP32 (float)
26.73 TFLOPS
10.79 TFLOPS
FP64 (double)
417.6 GFLOPS
674.6 GFLOPS
Graphics Processor
GPU Name
AD104
Navi 23
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
GPU Variant
—
Navi 23 KXT(215-130000136)
Board Design
TDP
130W
176W
Suggested PSU
300 W
450 W
Outputs
4x DisplayPort 1.4a
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
1x 16-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
8.9
—
Shader Model
6.8
6.5
▲ Specs Compare
Data sourced from official specifications and benchmark tests.