NVIDIA GeForce GTX 780 Ti Engineering Sample vs AMD Radeon Sky 500
GPU · Specs Compare
Graphics Card
Release Date
Unknown
Mar 2013
Generation
GeForce 700
Radeon Sky
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
875 MHz
—
Boost Clock
928 MHz
—
Memory Clock
1753 MHz
1200 MHz
Memory
Memory Size
3GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
256bit
Bandwidth
336.6GB/s
153.6GB/s
Render Config
Shading Units
2880
1280
TMUs
240
80
ROPs
48
32
L1 Cache
16 KB (per SMX)
16 KB (per CU)
L2 Cache
1536 KB
512 KB
Compute Units
—
20
Theoretical Performance
Pixel Rate
55.68 GPixel/s
30.40 GPixel/s
Texture Rate
222.7 GTexel/s
76.00 GTexel/s
FP32 (float)
5.345 TFLOPS
2.432 TFLOPS
FP64 (double)
222.7 GFLOPS
152.0 GFLOPS
Graphics Processor
GPU Name
GK180
Pitcairn
GPU Variant
GK180-425-A1
Pitcairn XT GL(215-0828073)
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
150W
Suggested PSU
600 W
450 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
1x DisplayPort 1.2
Power Connectors
1x 6-pin + 1x 8-pin
1x 6-pin
Graphics Features
DirectX
12 (11_0)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
3.0
1.2
Vulkan
1.2.175
1.2
CUDA
3.5
—
Shader Model
5.1
5.1
▲ Specs Compare
Data sourced from official specifications and benchmark tests.