NVIDIA RTX A4500 vs NVIDIA Tesla K20c
We compared two Professional market GPUs: 20GB VRAM RTX A4500 and 5GB VRAM Tesla K20c to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA RTX A4500 's Advantages
Released 9 years late
Boost Clock1650MHz
More VRAM (20GB vs 5GB)
Larger VRAM bandwidth (640.0GB/s vs 208.0GB/s)
4672 additional rendering cores
Lower TDP (200W vs 225W)
Score
Benchmark
FP32 (float)
RTX A4500
+571%
23.65 TFLOPS
Tesla K20c
3.524 TFLOPS
Graphics Card
Nov 2021
Release Date
Nov 2012
Quadro Ampere
Generation
Tesla
Professional
Type
Professional
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1050 MHz
Base Clock
-
1650 MHz
Boost Clock
-
2000 MHz
Memory Clock
1300 MHz
Memory
20GB
Memory Size
5GB
GDDR6
Memory Type
GDDR5
320bit
Memory Bus
320bit
640.0GB/s
Bandwidth
208.0GB/s
Render Config
-
-
-
56
SM Count
-
7168
Shading Units
2496
224
TMUs
208
96
ROPs
40
224
Tensor Cores
-
56
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per SMX)
6 MB
L2 Cache
1280 KB
-
-
-
Theoretical Performance
158.4 GPixel/s
Pixel Rate
36.71 GPixel/s
369.6 GTexel/s
Texture Rate
146.8 GTexel/s
23.65 TFLOPS
FP16 (half)
-
23.65 TFLOPS
FP32 (float)
3.524 TFLOPS
369.6 GFLOPS
FP64 (double)
1175 GFLOPS
Board Design
200W
TDP
225W
550 W
Suggested PSU
550 W
4x DisplayPort 1.4a
Outputs
No outputs
1x 8-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
GA102
GPU Name
GK110
-
GPU Variant
GK110-885-KA-A1
Ampere
Architecture
Kepler
Samsung
Foundry
TSMC
8 nm
Process Size
28 nm
28.3 billion
Transistors
7.08 billion
628 mm²
Die Size
561 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.1
8.6
CUDA
3.5
6.7
Shader Model
5.1
