AMD Radeon Instinct MI6 vs NVIDIA GeForce GTX 660 Ti
GPU · Specs Compare
Graphics Card
Release Date
Dec 2016
Aug 2012
Generation
Radeon Instinct
GeForce 600
Type
Professional
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1120 MHz
915 MHz
Boost Clock
1233 MHz
980 MHz
Memory Clock
1750 MHz
1502 MHz
Memory
Memory Size
8GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
192bit
Bandwidth
224.0GB/s
144.2GB/s
Render Config
Compute Units
36
—
Shading Units
2304
1344
TMUs
144
112
ROPs
32
24
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
2 MB
384 KB
Theoretical Performance
Pixel Rate
39.46 GPixel/s
27.44 GPixel/s
Texture Rate
177.6 GTexel/s
109.8 GTexel/s
FP16 (half)
5.682 TFLOPS
—
FP32 (float)
5.682 TFLOPS
2.634 TFLOPS
FP64 (double)
355.1 GFLOPS
109.8 GFLOPS
Graphics Processor
GPU Name
Ellesmere
GK104
GPU Variant
Ellesmere XT
GK104-300-KD-A2
Architecture
GCN 4.0
Kepler
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
28 nm
Transistors
5.7 billion
3.54 billion
Die Size
232 mm²
294 mm²
Board Design
TDP
150W
150W
Suggested PSU
450 W
450 W
Outputs
No outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
1x 6-pin
2x 6-pin
Graphics Features
DirectX
12 (12_0)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
2.1
3.0
Vulkan
1.2
1.1
Shader Model
6.4
5.1
CUDA
—
3.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.