NVIDIA Tesla K20c vs NVIDIA RTX 4000 Ada Generation
GPU Specs Compare
Graphics Card
Release Date
Nov 2012
Aug 2023
Generation
Tesla
Workstation Ada
Type
Professional
Desktop
Bus Interface
PCIe 2.0 x16
PCIe 4.0 x16
Clock Speeds
Memory Clock
1300 MHz
2250 MHz
Base Clock
-
1500 MHz
Boost Clock
-
2175 MHz
Memory
Memory Size
5GB
20GB
Memory Type
GDDR5
GDDR6
Memory Bus
320bit
160bit
Bandwidth
208.0GB/s
360.0GB/s
Render Config
Shading Units
2496
6144
TMUs
208
192
ROPs
40
64
L1 Cache
16 KB (per SMX)
128 KB (per SM)
L2 Cache
1280 KB
48 MB
SM Count
-
48
Tensor Cores
-
192
RT Cores
-
48
Theoretical Performance
Pixel Rate
36.71 GPixel/s
139.2 GPixel/s
Texture Rate
146.8 GTexel/s
417.6 GTexel/s
FP32 (float)
3.524 TFLOPS
26.73 TFLOPS
FP64 (double)
1175 GFLOPS
417.6 GFLOPS
FP16 (half)
-
26.73 TFLOPS
Graphics Processor
GPU Name
GK110
AD104
GPU Variant
GK110-885-KA-A1
-
Architecture
Kepler
Ada Lovelace
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
7.08 billion
35.8 billion
Die Size
561 mm²
294 mm²
Board Design
TDP
225W
130W
Suggested PSU
550 W
300 W
Outputs
No outputs
4x DisplayPort 1.4a
Power Connectors
1x 6-pin + 1x 8-pin
1x 16-pin
Graphics Features
DirectX
12 (11_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.1
1.3
CUDA
3.5
8.9
Shader Model
5.1
6.8
📊 Benchmark
OctaneBench
55
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