AMD Radeon RX 6650 XT vs NVIDIA L20
We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6650 XT and 48GB VRAM L20 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 6650 XT 's Advantages
Boost Clock has increased by 5% (2635MHz vs 2520MHz)
Lower TDP (176W vs 275W)
NVIDIA L20 's Advantages
Released 1 years and 6 months late
More VRAM (48GB vs 8GB)
Larger VRAM bandwidth (864.0GB/s vs 280.3GB/s)
9728 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon RX 6650 XT
10.79 TFLOPS
L20
+450%
59.35 TFLOPS
Graphics Card
May 2022
Release Date
Nov 2023
Navi II
Generation
Tesla Ada
Desktop
Type
Desktop
PCIe 4.0 x8
Bus Interface
PCIe 4.0 x16
Clock Speeds
2055 MHz
Base Clock
1440 MHz
2635 MHz
Boost Clock
2520 MHz
2190 MHz
Memory Clock
2250 MHz
Memory
8GB
Memory Size
48GB
GDDR6
Memory Type
GDDR6
128bit
Memory Bus
384bit
280.3GB/s
Bandwidth
864.0GB/s
Render Config
32
Compute Units
-
-
SM Count
92
2048
Shading Units
11776
128
TMUs
368
64
ROPs
128
-
Tensor Cores
368
32
RT Cores
92
128 KB per Array
L1 Cache
128 KB (per SM)
2 MB
L2 Cache
96 MB
32 MB
L3 Cache
-
Theoretical Performance
168.6 GPixel/s
Pixel Rate
322.6 GPixel/s
337.3 GTexel/s
Texture Rate
927.4 GTexel/s
21.59 TFLOPS
FP16 (half)
59.35 TFLOPS
10.79 TFLOPS
FP32 (float)
59.35 TFLOPS
674.6 GFLOPS
FP64 (double)
927.4 GFLOPS
Board Design
176W
TDP
275W
450 W
Suggested PSU
600 W
1x HDMI 2.1
3x DisplayPort 1.4a
Outputs
4x DisplayPort 1.4a
1x 8-pin
Power Connectors
1x 16-pin
Graphics Processor
Navi 23
GPU Name
AD102
Navi 23 KXT
(215-130000136)
GPU Variant
AD102
RDNA 2.0
Architecture
Ada Lovelace
TSMC
Foundry
TSMC
7 nm
Process Size
5 nm
11.06 billion
Transistors
76.3 billion
237 mm²
Die Size
609 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
2.1
OpenCL
3.0
1.3
Vulkan
1.3
-
CUDA
8.9
6.5
Shader Model
6.7
