NVIDIA Tesla P40 vs AMD Radeon R9 390X
GPU · Specs Compare
Graphics Card
Release Date
Sep 2016
Jun 2015
Generation
Tesla Pascal
Pirate Islands
Type
Professional
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1303 MHz
—
Boost Clock
1531 MHz
—
Memory Clock
1808 MHz
1500 MHz
Memory
Memory Size
24GB
8GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
512bit
Bandwidth
347.1GB/s
384.0GB/s
Render Config
SM Count
30
—
Shading Units
3840
2816
TMUs
240
176
ROPs
96
64
L1 Cache
48 KB (per SM)
16 KB (per CU)
L2 Cache
3 MB
1024 KB
Compute Units
—
44
Theoretical Performance
Pixel Rate
147.0 GPixel/s
67.20 GPixel/s
Texture Rate
367.4 GTexel/s
184.8 GTexel/s
FP16 (half)
183.7 GFLOPS
—
FP32 (float)
11.76 TFLOPS
5.914 TFLOPS
FP64 (double)
367.4 GFLOPS
739.2 GFLOPS
Graphics Processor
GPU Name
GP102
Grenada
Architecture
Pascal
GCN 2.0
Foundry
TSMC
TSMC
Process Size
16 nm
28 nm
Transistors
11.8 billion
6.2 billion
Die Size
471 mm²
438 mm²
GPU Variant
—
Grenada XT(215-0880004)
Board Design
TDP
250W
275W
Suggested PSU
600 W
600 W
Outputs
No outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
8-pin EPS
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
12 (12_1)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.0
Vulkan
1.3
1.2
CUDA
6.1
—
Shader Model
6.7
6.3
▲ Specs Compare
Data sourced from official specifications and benchmark tests.