NVIDIA Tesla K20X vs AMD Radeon 660M
GPU · Specs Compare
Graphics Card
Release Date
Nov 2012
Jan 2022
Generation
Tesla
Rembrandt
Type
Professional
Integrated
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x8
Clock Speeds
Memory Clock
1300 MHz
System Shared
Base Clock
—
1500 MHz
Boost Clock
—
1900 MHz
Memory
Memory Size
6GB
System Shared
Memory Type
GDDR5
System Shared
Memory Bus
384bit
System Shared
Bandwidth
249.6GB/s
System Dependent
Render Config
Shading Units
2688
384
TMUs
224
24
ROPs
48
16
L1 Cache
16 KB (per SMX)
128 KB per Array
L2 Cache
1536 KB
2 MB
Compute Units
—
6
RT Cores
—
6
Theoretical Performance
Pixel Rate
40.99 GPixel/s
30.40 GPixel/s
Texture Rate
164.0 GTexel/s
45.60 GTexel/s
FP32 (float)
3.935 TFLOPS
1459 GFLOPS
FP64 (double)
1312 GFLOPS
91.20 GFLOPS
FP16 (half)
—
2.918 TFLOPS
Graphics Processor
GPU Name
GK110
Rembrandt
Architecture
Kepler
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
6 nm
Transistors
7.08 billion
13.1 billion
Die Size
561 mm²
210 mm²
Board Design
TDP
235W
15W
Suggested PSU
550 W
—
Outputs
No outputs
No outputs
Power Connectors
1x 6-pin + 1x 8-pin
None
Graphics Features
DirectX
12 (11_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
2.0
Vulkan
1.1
1.2
CUDA
3.5
—
Shader Model
5.1
6.5
Benchmark
3DMark Time Spy
—
1,537
3DMark Time Spy Extreme
—
701
▲ Specs Compare
Data sourced from official specifications and benchmark tests.