AMD Radeon R9 M295X Mac Edition vs NVIDIA Tesla K40s
GPU · Specs Compare
Graphics Card
Release Date
Nov 2014
Nov 2013
Generation
Crystal System
Tesla Kepler
Type
Mobile
Professional
Bus Interface
MXM-B (3.0)
PCIe 3.0 x16
Clock Speeds
Memory Clock
1362 MHz
1502 MHz
Base Clock
—
706 MHz
Boost Clock
—
706 MHz
Memory
Memory Size
4GB
12GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
384bit
Bandwidth
174.3GB/s
288.4GB/s
Render Config
Compute Units
32
—
Shading Units
2048
2880
TMUs
128
240
ROPs
32
48
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
512 KB
1536 KB
Theoretical Performance
Pixel Rate
27.20 GPixel/s
42.36 GPixel/s
Texture Rate
108.8 GTexel/s
169.4 GTexel/s
FP16 (half)
3.482 TFLOPS
—
FP32 (float)
3.482 TFLOPS
4.067 TFLOPS
FP64 (double)
217.6 GFLOPS
1355.5 GFLOPS
Graphics Processor
GPU Name
Amethyst
GK110B
GPU Variant
Amethyst XT
—
Architecture
GCN 3.0
Kepler
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
5 billion
7.08 billion
Die Size
366 mm²
561 mm²
Board Design
TDP
250W
245W
Outputs
No outputs
No outputs
Suggested PSU
—
550 W
Graphics Features
DirectX
12 (12_0)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
2.0
3.0
Vulkan
1.2
1.2.175
Shader Model
6.3
6.5 (5.1)
CUDA
—
3.5
▲ Specs Compare
Data sourced from official specifications and benchmark tests.