GPU Comparison
RADEON
AMD Radeon R9 390
CORE STATE
Grenada
VRAM
8 GB
CLOCK SPEED
—
TDP
275 W
BUS WIDTH
512 bit
ARCHITECTURE
GCN 2.0
PROCESS
28 nm
LAUNCH DATE
2015
VS
GEFORCE
GeForce GTX 1660 Ti Max-Q
CORE STATE
TU116
VRAM
6 GB
CLOCK SPEED
1335 MHz
TDP
—
BUS WIDTH
192 bit
ARCHITECTURE
Turing
PROCESS
12 nm
LAUNCH DATE
2019
PERFORMANCE BENCHMARKS
3dmark_3dmark_steel_nomad_dx12
DETAILED SPECIFICATIONS
SPECIFICATION
R9 390
GTX 1660 Ti Max-Q
Core Specs
Shading Units
2,560
1,536
-40.0%
Shaders
2,560
1,536
-40.0%
TMUs
160
96
-40.0%
ROPs
64
48
-25.0%
Compute Units
40
—
SM Count
—
24
Clocks
Base Clock
—
1140 MHz
Boost Clock
—
1335 MHz
GPU Clock
1000 MHz
—
Memory Clock
1500 MHz
6 Gbps effective
1500 MHz
12 Gbps effective
Memory
Memory Size
8 GB
6 GB
VRAM (MB)
8,192
6,144
-25.0%
Memory Type
GDDR5
GDDR6
Memory Bus
512 bit
192 bit
Bandwidth
384.0 GB/s
288.0 GB/s
Cache
L1 Cache
16 KB (per CU)
64 KB (per SM)
L2 Cache
1024 KB
1536 KB
Performance
Pixel Rate
64.00 GPixel/s
64.08 GPixel/s
Texture Rate
160.0 GTexel/s
128.2 GTexel/s
FP32 (TFLOPS)
5.120 TFLOPS
4.101 TFLOPS
FP64 (TFLOPS)
640.0 GFLOPS (1:8)
128.2 GFLOPS (1:32)
FP16 (TFLOPS)
—
8.202 TFLOPS (2:1)
Power
TDP
275 W
—
TDP (W)
275
—
Suggested PSU
600 W
—
Power Connectors
1x 6-pin + 1x 8-pin
None
Architecture
Architecture
GCN 2.0
Turing
GPU Name
Grenada
TU116
Generation
Pirate Islands
(R9 300)
GeForce 16 Mobile
Process Size
28 nm
12 nm
Transistors
6,200 million
6,600 million
Die Size
438 mm²
284 mm²
Foundry
TSMC
TSMC
Density
14.2M / mm²
23.2M / mm²
API Support
DirectX
12 (12_0)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.4
OpenCL
2.1
3.0
CUDA
—
7.5
Shader Model
6.5
6.8
Physical
Slot Width
Dual-slot
MXM Module
Length
275 mm
10.8 inches
—
Height
109 mm
4.3 inches
—
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Portable Device Dependent
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Other
Launch Price
329 USD
—
Production
End-of-life
End-of-life
Predecessor
Volcanic Islands
GeForce 10 Mobile
Successor
Arctic Islands
GeForce 20 Mobile