AMD Radeon Sky 900 vs NVIDIA GeForce GTX 780
GPU Specs Compare
Graphics Card
Release Date
Mar 2013
May 2013
Generation
Radeon Sky
GeForce 700
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
825 MHz
863 MHz
Boost Clock
950 MHz
902 MHz
Memory Clock
1250 MHz
1502 MHz
Memory
Memory Size
3GB
3GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
384bit
Bandwidth
240.0GB/s
288.4GB/s
Render Config
Compute Units
28
-
Shading Units
1792
2304
TMUs
112
192
ROPs
32
48
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
768 KB
1536 KB
Theoretical Performance
Pixel Rate
30.40 GPixel/s
43.30 GPixel/s
Texture Rate
106.4 GTexel/s
173.2 GTexel/s
FP32 (float)
3.405 TFLOPS
4.156 TFLOPS
FP64 (double)
851.2 GFLOPS
173.2 GFLOPS
Graphics Processor
GPU Name
Tahiti
GK110
GPU Variant
Orthrus
GK110-300-A1
Architecture
GCN 1.0
Kepler
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
4.313 billion
7.08 billion
Die Size
352 mm²
561 mm²
Board Design
TDP
300W
250W
Suggested PSU
700 W
600 W
Outputs
1x DVI1x mini-DisplayPort 1.2
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
2x 8-pin
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
12 (11_1)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
1.2
3.0
Vulkan
1.2
1.2.175
Shader Model
5.1
6.5 (5.1)
CUDA
-
3.5