NVIDIA L20 vs AMD Radeon R9 390
We compared two Desktop platform GPUs: 48GB VRAM L20 and 8GB VRAM Radeon R9 390 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA L20 's Advantages
Released 8 years and 5 months late
Boost Clock2520MHz
More VRAM (48GB vs 8GB)
Larger VRAM bandwidth (864.0GB/s vs 384.0GB/s)
9216 additional rendering cores
Score
Benchmark
FP32 (float)
L20
+1059%
59.35 TFLOPS
Radeon R9 390
5.12 TFLOPS
Graphics Card
Nov 2023
Release Date
Jun 2015
Tesla Ada
Generation
Pirate Islands
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1440 MHz
Base Clock
-
2520 MHz
Boost Clock
-
2250 MHz
Memory Clock
1500 MHz
Memory
48GB
Memory Size
8GB
GDDR6
Memory Type
GDDR5
384bit
Memory Bus
512bit
864.0GB/s
Bandwidth
384.0GB/s
Render Config
-
Compute Units
40
92
SM Count
-
11776
Shading Units
2560
368
TMUs
160
128
ROPs
64
368
Tensor Cores
-
92
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per CU)
96 MB
L2 Cache
1024 KB
-
-
-
Theoretical Performance
322.6 GPixel/s
Pixel Rate
64.00 GPixel/s
927.4 GTexel/s
Texture Rate
160.0 GTexel/s
59.35 TFLOPS
FP16 (half)
-
59.35 TFLOPS
FP32 (float)
5.120 TFLOPS
927.4 GFLOPS
FP64 (double)
640.0 GFLOPS
Board Design
275W
TDP
275W
600 W
Suggested PSU
600 W
4x DisplayPort 1.4a
Outputs
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
1x 16-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
AD102
GPU Name
Grenada
AD102
GPU Variant
Grenada PRO
(215-0880030)
Ada Lovelace
Architecture
GCN 2.0
TSMC
Foundry
TSMC
5 nm
Process Size
28 nm
76.3 billion
Transistors
6.2 billion
609 mm²
Die Size
438 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (12_0)
4.6
OpenGL
4.6
3.0
OpenCL
2.0
1.3
Vulkan
1.2
8.9
CUDA
-
6.7
Shader Model
6.3
