AMD Radeon R9 380X vs NVIDIA GeForce GTX 660 Ti
GPU · Specs Compare
Graphics Card
Release Date
Nov 2015
Aug 2012
Generation
Pirate Islands
GeForce 600
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1425 MHz
1502 MHz
Base Clock
—
915 MHz
Boost Clock
—
980 MHz
Memory
Memory Size
4GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
192bit
Bandwidth
182.4GB/s
144.2GB/s
Render Config
Compute Units
32
—
Shading Units
2048
1344
TMUs
128
112
ROPs
32
24
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
512 KB
384 KB
Theoretical Performance
Pixel Rate
31.04 GPixel/s
27.44 GPixel/s
Texture Rate
124.2 GTexel/s
109.8 GTexel/s
FP16 (half)
3.973 TFLOPS
—
FP32 (float)
3.973 TFLOPS
2.634 TFLOPS
FP64 (double)
248.3 GFLOPS
109.8 GFLOPS
Graphics Processor
GPU Name
Antigua
GK104
GPU Variant
Antigua XT(215-0877016)
GK104-300-KD-A2
Architecture
GCN 3.0
Kepler
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
5 billion
3.54 billion
Die Size
366 mm²
294 mm²
Board Design
TDP
190W
150W
Suggested PSU
450 W
450 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
2x 6-pin
2x 6-pin
Graphics Features
DirectX
12 (12_0)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
2.0
3.0
Vulkan
1.2
1.1
Shader Model
6.3
5.1
CUDA
—
3.0
Benchmark
3DMark Time Spy
3,011
—
3DMark Time Spy Extreme
1,294
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.