AMD Radeon R9 390 X2 vs NVIDIA TITAN RTX
GPU Specs Compare
Graphics Card
Release Date
Sep 2015
Dec 2018
Generation
Pirate Islands
GeForce 20
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1350 MHz
1750 MHz
Base Clock
-
1350 MHz
Boost Clock
-
1770 MHz
Memory
Memory Size
8GB
24GB
Memory Type
GDDR5
GDDR6
Memory Bus
512bit
384bit
Bandwidth
345.6GB/s
672.0GB/s
Render Config
Compute Units
40
-
Shading Units
2560
4608
TMUs
160
288
ROPs
64
96
L1 Cache
16 KB (per CU)
64 KB (per SM)
L2 Cache
1024 KB
6 MB
SM Count
-
72
Tensor Cores
-
576
RT Cores
-
72
Theoretical Performance
Pixel Rate
64.00 GPixel/s
169.9 GPixel/s
Texture Rate
160.0 GTexel/s
509.8 GTexel/s
FP32 (float)
5.120 TFLOPS
16.31 TFLOPS
FP64 (double)
640.0 GFLOPS
509.8 GFLOPS
FP16 (half)
-
32.62 TFLOPS
Graphics Processor
GPU Name
Grenada
TU102
GPU Variant
Grenada PRO(215-0880030)
TU102-400-A1
Architecture
GCN 2.0
Turing
Foundry
TSMC
TSMC
Process Size
28 nm
12 nm
Transistors
6.2 billion
18.6 billion
Die Size
438 mm²
754 mm²
Board Design
TDP
580W
280W
Suggested PSU
950 W
600 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
1x HDMI 2.03x DisplayPort 1.4a1x USB Type-C
Power Connectors
4x 8-pin
2x 8-pin
Graphics Features
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.0
3.0
Vulkan
1.2
1.3
Shader Model
6.3
6.6
CUDA
-
7.5