AMD Radeon R7 265X OEM vs NVIDIA Tesla P40
GPU Specs Compare
Graphics Card
Release Date
Aug 2014
Sep 2016
Generation
Volcanic Islands
Tesla Pascal
Type
Desktop
Professional
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
900 MHz
1303 MHz
Boost Clock
925 MHz
1531 MHz
Memory Clock
1400 MHz
1808 MHz
Memory
Memory Size
2GB
24GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
384bit
Bandwidth
179.2GB/s
347.1GB/s
Render Config
Compute Units
20
-
Shading Units
1280
3840
TMUs
80
240
ROPs
32
96
L1 Cache
16 KB (per CU)
48 KB (per SM)
L2 Cache
512 KB
3 MB
SM Count
-
30
Theoretical Performance
Pixel Rate
29.60 GPixel/s
147.0 GPixel/s
Texture Rate
74.00 GTexel/s
367.4 GTexel/s
FP32 (float)
2.368 TFLOPS
11.76 TFLOPS
FP64 (double)
148.0 GFLOPS
367.4 GFLOPS
FP16 (half)
-
183.7 GFLOPS
Graphics Processor
GPU Name
Curacao
GP102
GPU Variant
Curacao PRO(215-0848000)
-
Architecture
GCN 1.0
Pascal
Foundry
TSMC
TSMC
Process Size
28 nm
16 nm
Transistors
2.8 billion
11.8 billion
Die Size
212 mm²
471 mm²
Board Design
TDP
150W
250W
Suggested PSU
450 W
600 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
No outputs
Power Connectors
1x 6-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