NVIDIA Tesla K20s vs AMD Radeon RX 6800 XT
GPU · Specs Compare
Graphics Card
Release Date
Feb 2013
Oct 2020
Generation
Tesla
Navi II
Type
Professional
Desktop
Bus Interface
PCIe 2.0 x16
PCIe 4.0 x16
Clock Speeds
Memory Clock
1300 MHz
2000 MHz
Base Clock
—
1825 MHz
Boost Clock
—
2250 MHz
Memory
Memory Size
5GB
16GB
Memory Type
GDDR5
GDDR6
Memory Bus
320bit
256bit
Bandwidth
208.0GB/s
512.0GB/s
Render Config
Shading Units
2496
4608
TMUs
208
288
ROPs
40
128
L1 Cache
16 KB (per SMX)
128 KB per Array
L2 Cache
1280 KB
4 MB
Compute Units
—
72
RT Cores
—
72
L3 Cache
—
128 MB
Theoretical Performance
Pixel Rate
29.90 GPixel/s
288.0 GPixel/s
Texture Rate
119.6 GTexel/s
648.0 GTexel/s
FP32 (float)
2.870 TFLOPS
20.74 TFLOPS
FP64 (double)
956.8 GFLOPS
1296 GFLOPS
FP16 (half)
—
41.47 TFLOPS
Graphics Processor
GPU Name
GK110
Navi 21
Architecture
Kepler
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
7 nm
Transistors
7.08 billion
26.8 billion
Die Size
561 mm²
520 mm²
GPU Variant
—
Navi 21 XT(215-121000177)
Board Design
TDP
225W
300W
Suggested PSU
550 W
700 W
Outputs
No outputs
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
Power Connectors
—
2x 8-pin
Graphics Features
DirectX
12 (11_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.1
1.3
CUDA
3.5
—
Shader Model
5.1
6.5
Benchmark
3DMark Time Spy
—
19,329
▲ Specs Compare
Data sourced from official specifications and benchmark tests.