AMD Radeon VII vs AMD Radeon R9 390 X2
We compared two Desktop platform GPUs: 16GB VRAM Radeon VII and 8GB VRAM Radeon R9 390 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon VII 's Advantages
Released 3 years and 5 months late
Boost Clock1750MHz
More VRAM (16GB vs 8GB)
Larger VRAM bandwidth (1020GB/s vs 345.6GB/s)
1280 additional rendering cores
Lower TDP (295W vs 580W)
Score
Benchmark
FP32 (float)
Radeon VII
+162%
13.44 TFLOPS
Radeon R9 390 X2
5.12 TFLOPS
Graphics Card
Feb 2019
Release Date
Sep 2015
Vega II
Generation
Pirate Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1400 MHz
Base Clock
-
1750 MHz
Boost Clock
-
1000 MHz
Memory Clock
1350 MHz
Memory
16GB
Memory Size
8GB
HBM2
Memory Type
GDDR5
4096bit
Memory Bus
512bit
1020GB/s
Bandwidth
345.6GB/s
Render Config
60
Compute Units
40
-
-
-
3840
Shading Units
2560
240
TMUs
160
64
ROPs
64
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
4 MB
L2 Cache
1024 KB
-
-
-
Theoretical Performance
112.0 GPixel/s
Pixel Rate
64.00 GPixel/s
420.0 GTexel/s
Texture Rate
160.0 GTexel/s
26.88 TFLOPS
FP16 (half)
-
13.44 TFLOPS
FP32 (float)
5.120 TFLOPS
3.360 TFLOPS
FP64 (double)
640.0 GFLOPS
Board Design
295W
TDP
580W
600 W
Suggested PSU
950 W
1x HDMI 2.0b
3x DisplayPort 1.4a
Outputs
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
2x 8-pin
Power Connectors
4x 8-pin
Graphics Processor
Vega 20
GPU Name
Grenada
Vega 20 XT
GPU Variant
Grenada PRO
(215-0880030)
GCN 5.1
Architecture
GCN 2.0
TSMC
Foundry
TSMC
7 nm
Process Size
28 nm
13.23 billion
Transistors
6.2 billion
331 mm²
Die Size
438 mm²
Graphics Features
12 (12_1)
DirectX
12 (12_0)
4.6
OpenGL
4.6
2.1
OpenCL
2.0
1.3
Vulkan
1.2
-
-
-
6.7
Shader Model
6.3
