NVIDIA GeForce GTX 780 vs AMD Radeon 550X Mobile
GPU Specs Compare
Graphics Card
Release Date
May 2013
Apr 2018
Generation
GeForce 700
Mobility Radeon
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x8
Clock Speeds
Base Clock
863 MHz
1100 MHz
Boost Clock
902 MHz
1287 MHz
Memory Clock
1502 MHz
1500 MHz
Memory
Memory Size
3GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
64bit
Bandwidth
288.4GB/s
48.00GB/s
Render Config
Shading Units
2304
640
TMUs
192
40
ROPs
48
16
L1 Cache
16 KB (per SMX)
16 KB (per CU)
L2 Cache
1536 KB
256 KB
Compute Units
-
10
Theoretical Performance
Pixel Rate
43.30 GPixel/s
20.59 GPixel/s
Texture Rate
173.2 GTexel/s
51.48 GTexel/s
FP32 (float)
4.156 TFLOPS
1.647 TFLOPS
FP64 (double)
173.2 GFLOPS
103.0 GFLOPS
FP16 (half)
-
1.647 TFLOPS
Graphics Processor
GPU Name
GK110
Polaris 23
GPU Variant
GK110-300-A1
Polaris 23 MXT
Architecture
Kepler
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
28 nm
14 nm
Transistors
7.08 billion
2.2 billion
Die Size
561 mm²
103 mm²
Board Design
TDP
250W
50W
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_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.2.175
1.2
CUDA
3.5
-
Shader Model
6.5 (5.1)
6.4