Home GPU Comparison AMD Radeon R9 390X vs AMD Radeon RX 560D

AMD Radeon R9 390X vs AMD Radeon RX 560D

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390X and 4GB VRAM Radeon RX 560D to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 390X 's Advantages
More VRAM (8GB vs 4GB)
Larger VRAM bandwidth (384.0GB/s vs 96.00GB/s)
1920 additional rendering cores
AMD Radeon RX 560D 's Advantages
Released 2 years and 1 months late
Boost Clock1175MHz
Lower TDP (65W vs 275W)

Score

Benchmark

FP32 (float)
Radeon R9 390X +180%
5.914 TFLOPS
Radeon RX 560D
2.106 TFLOPS
VS

Graphics Card

Jun 2015
Release Date
Jul 2017
Pirate Islands
Generation
Polaris
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x8

Clock Speeds

-
Base Clock
1090 MHz
-
Boost Clock
1175 MHz
1500 MHz
Memory Clock
1500 MHz

Memory

8GB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
512bit
Memory Bus
128bit
384.0GB/s
Bandwidth
96.00GB/s

Render Config

44
Compute Units
14
-
-
-
2816
Shading Units
896
176
TMUs
56
64
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
1024 KB
L2 Cache
1024 KB
-
-
-

Theoretical Performance

67.20 GPixel/s
Pixel Rate
18.80 GPixel/s
184.8 GTexel/s
Texture Rate
65.80 GTexel/s
-
FP16 (half)
2.106 TFLOPS
5.914 TFLOPS
FP32 (float)
2.106 TFLOPS
739.2 GFLOPS
FP64 (double)
131.6 GFLOPS

Board Design

275W
TDP
65W
600 W
Suggested PSU
250 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a
1x 6-pin + 1x 8-pin
Power Connectors
None

Graphics Processor

Grenada
GPU Name
Polaris 21
Grenada XT (215-0880004)
GPU Variant
Polaris 21 XL
GCN 2.0
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
28 nm
Process Size
14 nm
6.2 billion
Transistors
3 billion
438 mm²
Die Size
123 mm²

Graphics Features

12 (12_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
2.0
OpenCL
2.1
1.2
Vulkan
1.2
-
-
-
6.3
Shader Model
6.4

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