AMD Radeon Sky 500 vs NVIDIA Tesla K20c
GPU Specs Compare
Graphics Card
Release Date
Mar 2013
Nov 2012
Generation
Radeon Sky
Tesla
Type
Desktop
Professional
Bus Interface
PCIe 3.0 x16
PCIe 2.0 x16
Clock Speeds
Memory Clock
1200 MHz
1300 MHz
Memory
Memory Size
4GB
5GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
320bit
Bandwidth
153.6GB/s
208.0GB/s
Render Config
Compute Units
20
-
Shading Units
1280
2496
TMUs
80
208
ROPs
32
40
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
512 KB
1280 KB
Theoretical Performance
Pixel Rate
30.40 GPixel/s
36.71 GPixel/s
Texture Rate
76.00 GTexel/s
146.8 GTexel/s
FP32 (float)
2.432 TFLOPS
3.524 TFLOPS
FP64 (double)
152.0 GFLOPS
1175 GFLOPS
Graphics Processor
GPU Name
Pitcairn
GK110
GPU Variant
Pitcairn XT GL(215-0828073)
GK110-885-KA-A1
Architecture
GCN 1.0
Kepler
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
2.8 billion
7.08 billion
Die Size
212 mm²
561 mm²
Board Design
TDP
150W
225W
Suggested PSU
450 W
550 W
Outputs
1x DisplayPort 1.2
No outputs
Power Connectors
1x 6-pin
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
12 (11_1)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
1.2
3.0
Vulkan
1.2
1.1
Shader Model
5.1
5.1
CUDA
-
3.5
📊 Benchmark
OctaneBench
-
55