GeForce GTX 660 Ti vs Radeon R9 380X
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Ti and 4GB VRAM Radeon R9 380X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX 660 Ti 's Advantages
Boost Clock980MHz
Lower TDP (150W vs 190W)
Radeon R9 380X 's Advantages
Released 3 years and 3 months late
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (182.4GB/s vs 144.2GB/s)
704 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GTX 660 Ti
2634
Radeon R9 380X
+50%
3973
3DMark Time Spy
GeForce GTX 660 Ti
1616
Radeon R9 380X
+86%
3011
Graphics Card
Aug 2012
Release Date
Nov 2015
GeForce 600
Generation
Pirate Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
915 MHz
Base Clock
-
980 MHz
Boost Clock
-
1502 MHz
Memory Clock
1425 MHz
Memory
2GB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
192bit
Memory Bus
256bit
144.2GB/s
Bandwidth
182.4GB/s
Render Config
-
Compute Units
32
1344
Shading Units
2048
112
TMUs
128
24
ROPs
32
16 KB (per SMX)
L1 Cache
16 KB (per CU)
384 KB
L2 Cache
512 KB
Theoretical Performance
27.44 GPixel/s
Pixel Rate
31.04 GPixel/s
109.8 GTexel/s
Texture Rate
124.2 GTexel/s
-
FP16 (half)
3.973 TFLOPS
2.634 TFLOPS
FP32 (float)
3.973 TFLOPS
109.8 GFLOPS
FP64 (double)
248.3 GFLOPS
Board Design
150W
TDP
190W
450 W
Suggested PSU
450 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
2x 6-pin
Power Connectors
2x 6-pin
Graphics Processor
GK104
GPU Name
Antigua
GK104-300-KD-A2
GPU Variant
Antigua XT
(215-0877016)
Kepler
Architecture
GCN 3.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
3.54 billion
Transistors
5 billion
294 mm²
Die Size
366 mm²
Graphics Features
12 (11_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
3.0
OpenCL
2.0
1.1
Vulkan
1.2
3.0
CUDA
-
5.1
Shader Model
6.3
