GPU Comparison
GEFORCE
NVIDIA L20
CORE STATE
AD102
VRAM
48 GB
CLOCK SPEED
2520 MHz
TDP
275 W
BUS WIDTH
384 bit
ARCHITECTURE
Ada Lovelace
PROCESS
5 nm
LAUNCH DATE
2023
VS
GEFORCE
L4
CORE STATE
AD104
VRAM
24 GB
CLOCK SPEED
2040 MHz
TDP
72 W
BUS WIDTH
192 bit
ARCHITECTURE
Ada Lovelace
PROCESS
5 nm
LAUNCH DATE
2023
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
L20
L4
Core Specs
Shading Units
11,776
7,424
-37.0%
Shaders
11,776
7,424
-37.0%
TMUs
368
240
-34.8%
ROPs
128
80
-37.5%
SM Count
92
60
-34.8%
Clocks
Base Clock
1440 MHz
795 MHz
Boost Clock
2520 MHz
2040 MHz
Memory Clock
2250 MHz
18 Gbps effective
1563 MHz
12.5 Gbps effective
Memory
Memory Size
48 GB
24 GB
VRAM (MB)
49,152
24,576
-50.0%
Memory Type
GDDR6
GDDR6
Memory Bus
384 bit
192 bit
Bandwidth
864.0 GB/s
300.1 GB/s
Cache
L1 Cache
128 KB (per SM)
128 KB (per SM)
L2 Cache
96 MB
48 MB
Performance
Pixel Rate
322.6 GPixel/s
163.2 GPixel/s
Texture Rate
927.4 GTexel/s
489.6 GTexel/s
FP32 (TFLOPS)
59.35 TFLOPS
30.29 TFLOPS
FP64 (TFLOPS)
927.4 GFLOPS (1:64)
473.3 GFLOPS (1:64)
FP16 (TFLOPS)
59.35 TFLOPS (1:1)
30.29 TFLOPS (1:1)
AI/RT
RT Cores
92
60
-34.8%
Tensor Cores
368
240
-34.8%
Power
TDP
275 W
72 W
TDP (W)
275
72
-73.8%
Suggested PSU
600 W
250 W
Power Connectors
1x 16-pin
None
Architecture
Architecture
Ada Lovelace
Ada Lovelace
GPU Name
AD102
AD104
Generation
Server Ada
(Lxx)
Server Ada
(Lxx)
Process Size
5 nm
5 nm
Transistors
76,300 million
35,800 million
Die Size
609 mm²
294 mm²
Foundry
TSMC
TSMC
Density
125.3M / mm²
121.8M / mm²
API Support
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.4
1.4
OpenCL
3.0
3.0
CUDA
8.9
8.9
Shader Model
6.8
6.8
Physical
Slot Width
Dual-slot
Single-slot
Length
267 mm
10.5 inches
169 mm
6.7 inches
Height
111 mm
4.4 inches
56 mm
2.2 inches
Outputs
4x DisplayPort 1.4a
No outputs
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Other
Production
Active
Active
Predecessor
Server Ampere
Server Ampere
Successor
Server Hopper
Server Hopper