AMD Radeon R9 280X2 vs NVIDIA Tesla K20c
GPU Specs Compare
Graphics Card
Release Date
Unknown
Nov 2012
Generation
Volcanic Islands
Tesla
Type
Desktop
Professional
Bus Interface
PCIe 3.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
950 MHz
-
Boost Clock
1000 MHz
-
Memory Clock
1500 MHz
1300 MHz
Memory
Memory Size
3GB
5GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
320bit
Bandwidth
288.0GB/s
208.0GB/s
Render Config
Compute Units
32
-
Shading Units
2048
2496
TMUs
128
208
ROPs
32
40
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
768 KB
1280 KB
Theoretical Performance
Pixel Rate
32.00 GPixel/s
36.71 GPixel/s
Texture Rate
128.0 GTexel/s
146.8 GTexel/s
FP32 (float)
4.096 TFLOPS
3.524 TFLOPS
FP64 (double)
1024 GFLOPS
1175 GFLOPS
Graphics Processor
GPU Name
Tahiti
GK110
GPU Variant
Tahiti XTL(215-0821065)
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
375W
225W
Suggested PSU
750 W
550 W
Outputs
6x mini-DisplayPort 1.2
No outputs
Power Connectors
3x 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