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