NVIDIA Tesla K20s vs AMD Radeon HD 8970M
GPU · Specs Compare
Graphics Card
Release Date
Feb 2013
May 2013
Generation
Tesla
Solar System
Type
Professional
Mobile
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1300 MHz
1200 MHz
Base Clock
—
850 MHz
Boost Clock
—
900 MHz
Memory
Memory Size
5GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
320bit
256bit
Bandwidth
208.0GB/s
153.6GB/s
Render Config
Shading Units
2496
1280
TMUs
208
80
ROPs
40
32
L1 Cache
16 KB (per SMX)
16 KB (per CU)
L2 Cache
1280 KB
512 KB
Compute Units
—
20
Theoretical Performance
Pixel Rate
29.90 GPixel/s
28.80 GPixel/s
Texture Rate
119.6 GTexel/s
72.00 GTexel/s
FP32 (float)
2.870 TFLOPS
2.304 TFLOPS
FP64 (double)
956.8 GFLOPS
144.0 GFLOPS
Graphics Processor
GPU Name
GK110
Neptune
Architecture
Kepler
GCN 1.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
7.08 billion
2.8 billion
Die Size
561 mm²
212 mm²
GPU Variant
—
Neptune XT(216-0847000)
Board Design
TDP
225W
100W
Suggested PSU
550 W
—
Outputs
No outputs
No outputs
Graphics Features
DirectX
12 (11_0)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
3.0
1.2
Vulkan
1.1
1.2
CUDA
3.5
—
Shader Model
5.1
5.1
▲ Specs Compare
Data sourced from official specifications and benchmark tests.