AMD Radeon RX 640 Mobile vs NVIDIA Tesla K20m
GPU · Specs Compare
Graphics Card
Release Date
May 2019
Jan 2013
Generation
Mobility Radeon
Tesla
Type
Mobile
Professional
Bus Interface
PCIe 3.0 x8
PCIe 2.0 x16
Clock Speeds
Base Clock
1082 MHz
—
Boost Clock
1218 MHz
—
Memory Clock
1500 MHz
1300 MHz
Memory
Memory Size
2GB
5GB
Memory Type
GDDR5
GDDR5
Memory Bus
64bit
320bit
Bandwidth
48.00GB/s
208.0GB/s
Render Config
Compute Units
10
—
Shading Units
640
2496
TMUs
40
208
ROPs
16
40
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
512 KB
1280 KB
Theoretical Performance
Pixel Rate
19.49 GPixel/s
36.71 GPixel/s
Texture Rate
48.72 GTexel/s
146.8 GTexel/s
FP16 (half)
1.559 TFLOPS
—
FP32 (float)
1.559 TFLOPS
3.524 TFLOPS
FP64 (double)
97.44 GFLOPS
1175 GFLOPS
Graphics Processor
GPU Name
Polaris 23
GK110
GPU Variant
Polaris 23 XT
—
Architecture
GCN 4.0
Kepler
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
28 nm
Transistors
2.2 billion
7.08 billion
Die Size
103 mm²
561 mm²
Board Design
TDP
50W
225W
Outputs
No outputs
No outputs
Power Connectors
None
1x 6-pin + 1x 8-pin
Suggested PSU
—
550 W
Graphics Features
DirectX
12 (12_0)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
2.1
3.0
Vulkan
1.2
1.1
Shader Model
6.4
5.1
CUDA
—
3.5
▲ Specs Compare
Data sourced from official specifications and benchmark tests.