AMD Radeon R9 280X2 vs NVIDIA Tesla P40
GPU · Specs Compare
Graphics Card
Release Date
Unknown
Sep 2016
Generation
Volcanic Islands
Tesla Pascal
Type
Desktop
Professional
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
950 MHz
1303 MHz
Boost Clock
1000 MHz
1531 MHz
Memory Clock
1500 MHz
1808 MHz
Memory
Memory Size
3GB
24GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
384bit
Bandwidth
288.0GB/s
347.1GB/s
Render Config
Compute Units
32
—
Shading Units
2048
3840
TMUs
128
240
ROPs
32
96
L1 Cache
16 KB (per CU)
48 KB (per SM)
L2 Cache
768 KB
3 MB
SM Count
—
30
Theoretical Performance
Pixel Rate
32.00 GPixel/s
147.0 GPixel/s
Texture Rate
128.0 GTexel/s
367.4 GTexel/s
FP32 (float)
4.096 TFLOPS
11.76 TFLOPS
FP64 (double)
1024 GFLOPS
367.4 GFLOPS
FP16 (half)
—
183.7 GFLOPS
Graphics Processor
GPU Name
Tahiti
GP102
GPU Variant
Tahiti XTL(215-0821065)
—
Architecture
GCN 1.0
Pascal
Foundry
TSMC
TSMC
Process Size
28 nm
16 nm
Transistors
4.313 billion
11.8 billion
Die Size
352 mm²
471 mm²
Board Design
TDP
375W
250W
Suggested PSU
750 W
600 W
Outputs
6x mini-DisplayPort 1.2
No outputs
Power Connectors
3x 8-pin
8-pin EPS
Graphics Features
DirectX
12 (11_1)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
1.2
3.0
Vulkan
1.2
1.3
Shader Model
5.1
6.7
CUDA
—
6.1
▲ Specs Compare
Data sourced from official specifications and benchmark tests.