AMD Radeon R9 390X vs NVIDIA Tesla M40
GPU · Specs Compare
Graphics Card
Release Date
Jun 2015
Nov 2015
Generation
Pirate Islands
Tesla Maxwell
Type
Desktop
Professional
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1500 MHz
1502 MHz
Base Clock
—
948 MHz
Boost Clock
—
1112 MHz
Memory
Memory Size
8GB
12GB
Memory Type
GDDR5
GDDR5
Memory Bus
512bit
384bit
Bandwidth
384.0GB/s
288.4GB/s
Render Config
Compute Units
44
—
Shading Units
2816
3072
TMUs
176
192
ROPs
64
96
L1 Cache
16 KB (per CU)
48 KB (per SMM)
L2 Cache
1024 KB
3 MB
Theoretical Performance
Pixel Rate
67.20 GPixel/s
106.8 GPixel/s
Texture Rate
184.8 GTexel/s
213.5 GTexel/s
FP32 (float)
5.914 TFLOPS
6.832 TFLOPS
FP64 (double)
739.2 GFLOPS
213.5 GFLOPS
Graphics Processor
GPU Name
Grenada
GM200
GPU Variant
Grenada XT(215-0880004)
GM200-895-A1
Architecture
GCN 2.0
Maxwell 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
6.2 billion
8 billion
Die Size
438 mm²
601 mm²
Board Design
TDP
275W
250W
Suggested PSU
600 W
600 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
No outputs
Power Connectors
1x 6-pin + 1x 8-pin
8-pin EPS
Graphics Features
DirectX
12 (12_0)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
2.0
3.0
Vulkan
1.2
1.3
Shader Model
6.3
6.7
CUDA
—
5.2
Benchmark
3DMark Time Spy
—
5,323
OctaneBench
—
123
Blender
—
106
▲ Specs Compare
Data sourced from official specifications and benchmark tests.