NVIDIA Tesla K40c vs AMD Radeon HD 8950M
GPU · Specs Compare
Graphics Card
Release Date
Oct 2013
May 2013
Generation
Tesla
Solar System
Type
Professional
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
745 MHz
—
Boost Clock
876 MHz
—
Memory Clock
1502 MHz
1375 MHz
Memory
Memory Size
12GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
128bit
Bandwidth
288.4GB/s
88.00GB/s
Render Config
Shading Units
2880
768
TMUs
240
48
ROPs
48
16
L1 Cache
16 KB (per SMX)
16 KB (per CU)
L2 Cache
1536 KB
256 KB
Compute Units
—
12
Theoretical Performance
Pixel Rate
52.56 GPixel/s
17.20 GPixel/s
Texture Rate
210.2 GTexel/s
51.60 GTexel/s
FP32 (float)
5.046 TFLOPS
1.651 TFLOPS
FP64 (double)
1.682 TFLOPS
103.2 GFLOPS
Graphics Processor
GPU Name
GK180
Saturn
GPU Variant
GK180-890-A1
Saturn XT
Architecture
Kepler
GCN 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
7.08 billion
2.08 billion
Die Size
561 mm²
160 mm²
Board Design
TDP
245W
100W
Suggested PSU
550 W
—
Outputs
No outputs
No outputs
Power Connectors
1x 6-pin + 1x 8-pin
—
Graphics Features
DirectX
12 (11_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.0
Vulkan
1.1
1.2
CUDA
3.5
—
Shader Model
5.1
6.3
▲ Specs Compare
Data sourced from official specifications and benchmark tests.