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GPU Comparison
AMD Radeon R9 390 X2 vs NVIDIA GeForce GTX TITAN X
AMD Radeon R9 390 X2 vs NVIDIA GeForce GTX TITAN X
VS
AMD Radeon R9 390 X2
NVIDIA GeForce GTX TITAN X
We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390 X2 and 12GB VRAM GeForce GTX TITAN X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 390 X2 's Advantages
Released 6 months late
Larger VRAM bandwidth (345.6GB/s vs 336.6GB/s)
NVIDIA GeForce GTX TITAN X 's Advantages
Boost Clock1089MHz
More VRAM (12GB vs 8GB)
512 additional rendering cores
Lower TDP (250W vs 580W)
Score
Benchmark
FP32 (float)
Radeon R9 390 X2
5.12 TFLOPS
GeForce GTX TITAN X
+30%
6.691 TFLOPS
Radeon R9 390 X2
VS
GeForce GTX TITAN X
Graphics Card
Sep 2015
Release Date
Mar 2015
Pirate Islands
Generation
GeForce 900
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
1000 MHz
-
Boost Clock
1089 MHz
1350 MHz
Memory Clock
1753 MHz
Memory
8GB
Memory Size
12GB
GDDR5
Memory Type
GDDR5
512bit
Memory Bus
384bit
345.6GB/s
Bandwidth
336.6GB/s
Render Config
-
SM Count
-
40
Compute Units
-
2560
Shading Units
3072
160
TMUs
192
64
ROPs
96
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
48 KB (per SMM)
1024 KB
L2 Cache
3 MB
Theoretical Performance
64.00 GPixel/s
Pixel Rate
104.5 GPixel/s
160.0 GTexel/s
Texture Rate
209.1 GTexel/s
-
FP16 (half)
-
5.120 TFLOPS
FP32 (float)
6.691 TFLOPS
640.0 GFLOPS
FP64 (double)
209.1 GFLOPS
Graphics Processor
Grenada
GPU Name
GM200
Grenada PRO (215-0880030)
GPU Variant
GM200-400-A1
GCN 2.0
Architecture
Maxwell 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
6.2 billion
Transistors
8 billion
438 mm²
Die Size
601 mm²
Board Design
580W
TDP
250W
950 W
Suggested PSU
600 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x DVI 1x HDMI 2.0 3x DisplayPort 1.4a
4x 8-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Features
12 (12_0)
DirectX
12 (12_1)
4.6
OpenGL
4.6
2.0
OpenCL
3.0
1.2
Vulkan
1.3
-
CUDA
5.2
6.3
Shader Model
6.4
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