NVIDIA RTX 4000 Ada Generation vs AMD Radeon RX 6650 XT
We compared two Desktop platform GPUs: 20GB VRAM RTX 4000 Ada Generation and 8GB VRAM Radeon RX 6650 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA RTX 4000 Ada Generation 's Advantages
Released 1 years and 3 months late
More VRAM (20GB vs 8GB)
Larger VRAM bandwidth (360.0GB/s vs 280.3GB/s)
4096 additional rendering cores
Lower TDP (130W vs 176W)
AMD Radeon RX 6650 XT 's Advantages
Boost Clock has increased by 21% (2635MHz vs 2175MHz)
Score
Benchmark
FP32 (float)
RTX 4000 Ada Generation
+147%
26.73 TFLOPS
Radeon RX 6650 XT
10.79 TFLOPS
3DMark Time Spy
RTX 4000 Ada Generation
+44%
14340
Radeon RX 6650 XT
9926
3DMark Time Spy Extreme
RTX 4000 Ada Generation
+48%
6708
Radeon RX 6650 XT
4532
3DMark Speed Way
RTX 4000 Ada Generation
+115%
3666
Radeon RX 6650 XT
1699
Blender
RTX 4000 Ada Generation
+264%
4737
Radeon RX 6650 XT
1299
Graphics Card
Aug 2023
Release Date
May 2022
Workstation Ada
Generation
Navi II
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 4.0 x8
Clock Speeds
1500 MHz
Base Clock
2055 MHz
2175 MHz
Boost Clock
2635 MHz
2250 MHz
Memory Clock
2190 MHz
Memory
20GB
Memory Size
8GB
GDDR6
Memory Type
GDDR6
160bit
Memory Bus
128bit
360.0GB/s
Bandwidth
280.3GB/s
Render Config
-
Compute Units
32
48
SM Count
-
6144
Shading Units
2048
192
TMUs
128
64
ROPs
64
192
Tensor Cores
-
48
RT Cores
32
128 KB (per SM)
L1 Cache
128 KB per Array
48 MB
L2 Cache
2 MB
-
L3 Cache
32 MB
Theoretical Performance
139.2 GPixel/s
Pixel Rate
168.6 GPixel/s
417.6 GTexel/s
Texture Rate
337.3 GTexel/s
26.73 TFLOPS
FP16 (half)
21.59 TFLOPS
26.73 TFLOPS
FP32 (float)
10.79 TFLOPS
417.6 GFLOPS
FP64 (double)
674.6 GFLOPS
Board Design
130W
TDP
176W
300 W
Suggested PSU
450 W
4x DisplayPort 1.4a
Outputs
1x HDMI 2.1
3x DisplayPort 1.4a
1x 16-pin
Power Connectors
1x 8-pin
Graphics Processor
AD104
GPU Name
Navi 23
-
GPU Variant
Navi 23 KXT
(215-130000136)
Ada Lovelace
Architecture
RDNA 2.0
TSMC
Foundry
TSMC
5 nm
Process Size
7 nm
35.8 billion
Transistors
11.06 billion
294 mm²
Die Size
237 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
3.0
OpenCL
2.1
1.3
Vulkan
1.3
8.9
CUDA
-
6.8
Shader Model
6.5
