NVIDIA Tesla K20c vs AMD Radeon R7 265X OEM
GPU Specs Compare
Graphics Card
Release Date
Nov 2012
Aug 2014
Generation
Tesla
Volcanic Islands
Type
Professional
Desktop
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1300 MHz
1400 MHz
Base Clock
-
900 MHz
Boost Clock
-
925 MHz
Memory
Memory Size
5GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
320bit
256bit
Bandwidth
208.0GB/s
179.2GB/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
36.71 GPixel/s
29.60 GPixel/s
Texture Rate
146.8 GTexel/s
74.00 GTexel/s
FP32 (float)
3.524 TFLOPS
2.368 TFLOPS
FP64 (double)
1175 GFLOPS
148.0 GFLOPS
Graphics Processor
GPU Name
GK110
Curacao
GPU Variant
GK110-885-KA-A1
Curacao PRO(215-0848000)
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
Board Design
TDP
225W
150W
Suggested PSU
550 W
450 W
Outputs
No outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
1x 6-pin + 1x 8-pin
1x 6-pin
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
📊 Benchmark
OctaneBench
55
-