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