NVIDIA GeForce GTX 780 Rev. 2 vs AMD Radeon R9 M390 Mac Edition
GPU Specs Compare
Graphics Card
Release Date
Sep 2013
May 2015
Generation
GeForce 700
Crystal System
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
863 MHz
-
Boost Clock
902 MHz
-
Memory Clock
1502 MHz
1365 MHz
Memory
Memory Size
3GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
256bit
Bandwidth
288.4GB/s
174.7GB/s
Render Config
Shading Units
2304
1024
TMUs
192
64
ROPs
48
32
L1 Cache
16 KB (per SMX)
16 KB (per CU)
L2 Cache
1536 KB
512 KB
Compute Units
-
16
Theoretical Performance
Pixel Rate
43.30 GPixel/s
30.66 GPixel/s
Texture Rate
173.2 GTexel/s
61.31 GTexel/s
FP32 (float)
4.156 TFLOPS
1.962 TFLOPS
FP64 (double)
173.2 GFLOPS
122.6 GFLOPS
Graphics Processor
GPU Name
GK110B
Pitcairn
GPU Variant
GK110-300-B1
Pitcairn PRO(215-0828062)
Architecture
Kepler
GCN 1.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
7.08 billion
2.8 billion
Die Size
561 mm²
212 mm²
Board Design
TDP
250W
80W
Suggested PSU
600 W
-
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
No outputs
Power Connectors
1x 6-pin + 1x 8-pin
None
Graphics Features
DirectX
12 (11_1)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
3.0
1.2
Vulkan
1.1
1.2
CUDA
3.5
-
Shader Model
5.1
5.1