AMD Radeon R9 M385 vs NVIDIA Tesla K40t
GPU · Specs Compare
Graphics Card
Release Date
May 2015
Nov 2013
Generation
Gem System
Tesla Kepler
Type
Mobile
Professional
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
900 MHz
745 MHz
Boost Clock
1000 MHz
876 MHz
Memory Clock
1200 MHz
1502 MHz
Memory
Memory Size
4GB
12GB
Memory Type
GDDR5
GDDR5
Memory Bus
128bit
384bit
Bandwidth
76.80GB/s
288.4GB/s
Render Config
Compute Units
14
—
Shading Units
896
2880
TMUs
56
240
ROPs
16
48
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
256 KB
1536 KB
Theoretical Performance
Pixel Rate
16.00 GPixel/s
52.56 GPixel/s
Texture Rate
56.00 GTexel/s
210.2 GTexel/s
FP32 (float)
1.792 TFLOPS
5.046 TFLOPS
FP64 (double)
112.0 GFLOPS
1.682 TFLOPS
Graphics Processor
GPU Name
Strato
GK110B
GPU Variant
Strato XT
—
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
Unknown
245W
Outputs
Portable Device Dependent
No outputs
Suggested PSU
—
550 W
Graphics Features
DirectX
12 (12_0)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
2.1
3.0
Vulkan
1.2.170
1.2.175
Shader Model
6.5
6.5 (5.1)
CUDA
—
3.5
▲ Specs Compare
Data sourced from official specifications and benchmark tests.