AMD Radeon R9 390X vs NVIDIA GeForce GTX 780 Rev. 2
GPU Specs Compare
Graphics Card
Release Date
Jun 2015
Sep 2013
Generation
Pirate Islands
GeForce 700
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1500 MHz
1502 MHz
Base Clock
-
863 MHz
Boost Clock
-
902 MHz
Memory
Memory Size
8GB
3GB
Memory Type
GDDR5
GDDR5
Memory Bus
512bit
384bit
Bandwidth
384.0GB/s
288.4GB/s
Render Config
Compute Units
44
-
Shading Units
2816
2304
TMUs
176
192
ROPs
64
48
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
1024 KB
1536 KB
Theoretical Performance
Pixel Rate
67.20 GPixel/s
43.30 GPixel/s
Texture Rate
184.8 GTexel/s
173.2 GTexel/s
FP32 (float)
5.914 TFLOPS
4.156 TFLOPS
FP64 (double)
739.2 GFLOPS
173.2 GFLOPS
Graphics Processor
GPU Name
Grenada
GK110B
GPU Variant
Grenada XT(215-0880004)
GK110-300-B1
Architecture
GCN 2.0
Kepler
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
6.2 billion
7.08 billion
Die Size
438 mm²
561 mm²
Board Design
TDP
275W
250W
Suggested PSU
600 W
600 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
1x 6-pin + 1x 8-pin
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
12 (12_0)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
2.0
3.0
Vulkan
1.2
1.1
Shader Model
6.3
5.1
CUDA
-
3.5