NVIDIA Tesla K20X vs AMD Radeon Pro W6800
GPU · Specs Compare
Graphics Card
Release Date
Nov 2012
Jun 2021
Generation
Tesla
Radeon Pro
Type
Professional
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Memory Clock
1300 MHz
2000 MHz
Base Clock
—
2075 MHz
Boost Clock
—
2320 MHz
Memory
Memory Size
6GB
32GB
Memory Type
GDDR5
GDDR6
Memory Bus
384bit
256bit
Bandwidth
249.6GB/s
512.0GB/s
Render Config
Shading Units
2688
3840
TMUs
224
240
ROPs
48
96
L1 Cache
16 KB (per SMX)
128 KB per Array
L2 Cache
1536 KB
4 MB
Compute Units
—
60
RT Cores
—
60
L3 Cache
—
128 MB
Theoretical Performance
Pixel Rate
40.99 GPixel/s
222.7 GPixel/s
Texture Rate
164.0 GTexel/s
556.8 GTexel/s
FP32 (float)
3.935 TFLOPS
17.82 TFLOPS
FP64 (double)
1312 GFLOPS
1114 GFLOPS
FP16 (half)
—
35.64 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
Board Design
TDP
235W
250W
Suggested PSU
550 W
600 W
Outputs
No outputs
6x mini-DisplayPort 1.4a
Power Connectors
1x 6-pin + 1x 8-pin
1x 6-pin + 1x 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
—
15,963
▲ Specs Compare
Data sourced from official specifications and benchmark tests.