NVIDIA GeForce GTX 780 Ti vs AMD Radeon R9 280
GPU · Specs Compare
Graphics Card
Release Date
Nov 2013
Mar 2014
Generation
GeForce 700
Volcanic Islands
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
875 MHz
827 MHz
Boost Clock
928 MHz
933 MHz
Memory Clock
1753 MHz
1250 MHz
Memory
Memory Size
3GB
3GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
384bit
Bandwidth
336.6GB/s
240.0GB/s
Render Config
Shading Units
2880
1792
TMUs
240
112
ROPs
48
32
L1 Cache
16 KB (per SMX)
16 KB (per CU)
L2 Cache
1536 KB
768 KB
Compute Units
—
28
Theoretical Performance
Pixel Rate
55.68 GPixel/s
29.86 GPixel/s
Texture Rate
222.7 GTexel/s
104.5 GTexel/s
FP32 (float)
5.345 TFLOPS
3.344 TFLOPS
FP64 (double)
222.7 GFLOPS
836.0 GFLOPS
Graphics Processor
GPU Name
GK110B
Tahiti
GPU Variant
GK110-425-B1
Tahiti PRO3(215-0821330)
Architecture
Kepler
GCN 1.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
7.08 billion
4.313 billion
Die Size
561 mm²
352 mm²
Board Design
TDP
250W
200W
Suggested PSU
600 W
550 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
1x DVI2x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
1x 6-pin + 1x 8-pin
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
12 (11_1)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
3.0
1.2
Vulkan
1.2.175
1.2
CUDA
3.5
—
Shader Model
6.5 (5.1)
5.1
▲ Specs Compare
Data sourced from official specifications and benchmark tests.