AMD Radeon Sky 700 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
1375 MHz
1300 MHz
Memory
Memory Size
6GB
5GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
320bit
Bandwidth
264.0GB/s
208.0GB/s
Render Config
Compute Units
28
—
Shading Units
1792
2496
TMUs
112
208
ROPs
32
40
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
768 KB
1280 KB
Theoretical Performance
Pixel Rate
28.80 GPixel/s
36.71 GPixel/s
Texture Rate
100.8 GTexel/s
146.8 GTexel/s
FP32 (float)
3.226 TFLOPS
3.524 TFLOPS
FP64 (double)
806.4 GFLOPS
1175 GFLOPS
Graphics Processor
GPU Name
Tahiti
GK110
GPU Variant
Tahiti PRO GL
GK110-885-KA-A1
Architecture
GCN 1.0
Kepler
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
4.313 billion
7.08 billion
Die Size
352 mm²
561 mm²
Board Design
TDP
225W
225W
Suggested PSU
550 W
550 W
Outputs
1x DisplayPort 1.2
No outputs
Power Connectors
1x 8-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
▲ Specs Compare
Data sourced from official specifications and benchmark tests.