L20 vs FirePro V4900
We compared two Desktop platform GPUs: 48GB VRAM L20 and 1024MB VRAM FirePro V4900 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
L20 's Advantages
Released 12 years late
Boost Clock2520MHz
More VRAM (48GB vs 1024GB)
Larger VRAM bandwidth (864.0GB/s vs 64.00GB/s)
11296 additional rendering cores
FirePro V4900 's Advantages
Lower TDP (75W vs 275W)
Score
Benchmark
FP32 (float)
L20
+7627%
59350
FirePro V4900
768
Graphics Card
Nov 2023
Release Date
Nov 2011
Tesla Ada
Generation
FirePro
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1440 MHz
Base Clock
-
2520 MHz
Boost Clock
-
2250 MHz
Memory Clock
1000 MHz
Memory
48GB
Memory Size
1024MB
GDDR6
Memory Type
GDDR5
384bit
Memory Bus
128bit
864.0GB/s
Bandwidth
64.00GB/s
Render Config
-
Compute Units
6
92
SM Count
-
11776
Shading Units
480
368
TMUs
24
128
ROPs
8
368
Tensor Cores
-
92
RT Cores
-
128 KB (per SM)
L1 Cache
8 KB (per CU)
96 MB
L2 Cache
256 KB
Theoretical Performance
322.6 GPixel/s
Pixel Rate
6.400 GPixel/s
927.4 GTexel/s
Texture Rate
19.20 GTexel/s
59.35 TFLOPS
FP16 (half)
-
59.35 TFLOPS
FP32 (float)
768.0 GFLOPS
927.4 GFLOPS
FP64 (double)
-
Board Design
275W
TDP
75W
600 W
Suggested PSU
250 W
4x DisplayPort 1.4a
Outputs
1x DVI
2x DisplayPort 1.1
1x 16-pin
Power Connectors
None
Graphics Processor
AD102
GPU Name
Turks
AD102
GPU Variant
Turks XT GL
Ada Lovelace
Architecture
TeraScale 2
TSMC
Foundry
TSMC
5 nm
Process Size
40 nm
76.3 billion
Transistors
0.716 billion
609 mm²
Die Size
118 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
3.0
OpenCL
1.2
1.3
Vulkan
N/A
8.9
CUDA
-
6.7
Shader Model
5.0