AMD Radeon R9 390 X2 vs NVIDIA GeForce GTX 1660
GPU Specs Compare
Graphics Card
Release Date
Sep 2015
Mar 2019
Generation
Pirate Islands
GeForce 16
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1350 MHz
2001 MHz
Base Clock
-
1530 MHz
Boost Clock
-
1785 MHz
Memory
Memory Size
8GB
6GB
Memory Type
GDDR5
GDDR5
Memory Bus
512bit
192bit
Bandwidth
345.6GB/s
192.1GB/s
Render Config
Compute Units
40
-
Shading Units
2560
1408
TMUs
160
88
ROPs
64
48
L1 Cache
16 KB (per CU)
64 KB (per SM)
L2 Cache
1024 KB
1536 KB
SM Count
-
22
Theoretical Performance
Pixel Rate
64.00 GPixel/s
85.68 GPixel/s
Texture Rate
160.0 GTexel/s
157.1 GTexel/s
FP32 (float)
5.120 TFLOPS
5.027 TFLOPS
FP64 (double)
640.0 GFLOPS
157.1 GFLOPS
FP16 (half)
-
10.05 TFLOPS
Graphics Processor
GPU Name
Grenada
TU116
GPU Variant
Grenada PRO(215-0880030)
TU116-300-A1
Architecture
GCN 2.0
Turing
Foundry
TSMC
TSMC
Process Size
28 nm
12 nm
Transistors
6.2 billion
6.6 billion
Die Size
438 mm²
284 mm²
Board Design
TDP
580W
120W
Suggested PSU
950 W
300 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
1x DVI1x HDMI 2.01x DisplayPort 1.4a
Power Connectors
4x 8-pin
1x 8-pin
Graphics Features
DirectX
12 (12_0)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
2.0
3.0
Vulkan
1.2
1.3
Shader Model
6.3
6.6
CUDA
-
7.5
📊 Benchmark
3DMark Time Spy
-
5,444
3DMark Time Spy Extreme
-
2,465