NVIDIA Tesla K20c vs NVIDIA GeForce RTX 5070
GPU · Specs Compare
Graphics Card
Release Date
Nov 2012
Mar 2025
Generation
Tesla
GeForce 50
Type
Professional
Desktop
Bus Interface
PCIe 2.0 x16
PCIe 5.0 x16
Clock Speeds
Memory Clock
1300 MHz
1750 MHz
Base Clock
—
2325 MHz
Boost Clock
—
2512 MHz
Memory
Memory Size
5GB
12GB
Memory Type
GDDR5
GDDR7
Memory Bus
320bit
192bit
Bandwidth
208.0GB/s
672.0GB/s
Render Config
Shading Units
2496
6144
TMUs
208
192
ROPs
40
80
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
201.0 GPixel/s
Texture Rate
146.8 GTexel/s
482.3 GTexel/s
FP32 (float)
3.524 TFLOPS
30.87 TFLOPS
FP64 (double)
1175 GFLOPS
482.3 GFLOPS
FP16 (half)
—
30.87 TFLOPS
Graphics Processor
GPU Name
GK110
GB205
GPU Variant
GK110-885-KA-A1
GB205-300-A1
Architecture
Kepler
Blackwell 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
7.08 billion
31.1 billion
Die Size
561 mm²
263 mm²
Board Design
TDP
225W
250W
Suggested PSU
550 W
600 W
Outputs
No outputs
1x HDMI 2.1b3x DisplayPort 2.1b
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
1.4
CUDA
3.5
12.0
Shader Model
5.1
6.8
Benchmark
OctaneBench
55
—
3DMark Time Spy
—
22,544
3DMark Time Spy Extreme
—
10,789
3DMark Speed Way
—
5,896
Blender
—
6,218
▲ Specs Compare
Data sourced from official specifications and benchmark tests.