AMD Radeon RX 460 vs AMD Radeon R9 390
GPU Specs Compare
Graphics Card
Release Date
Aug 2016
Jun 2015
Generation
Arctic Islands
Pirate Islands
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x16
Clock Speeds
Base Clock
1090 MHz
-
Boost Clock
1200 MHz
-
Memory Clock
1750 MHz
1500 MHz
Memory
Memory Size
2GB
8GB
Memory Type
GDDR5
GDDR5
Memory Bus
128bit
512bit
Bandwidth
112.0GB/s
384.0GB/s
Render Config
Compute Units
14
40
Shading Units
896
2560
TMUs
56
160
ROPs
16
64
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
1024 KB
1024 KB
Theoretical Performance
Pixel Rate
19.20 GPixel/s
64.00 GPixel/s
Texture Rate
67.20 GTexel/s
160.0 GTexel/s
FP16 (half)
2.150 TFLOPS
-
FP32 (float)
2.150 TFLOPS
5.120 TFLOPS
FP64 (double)
134.4 GFLOPS
640.0 GFLOPS
Graphics Processor
GPU Name
Baffin
Grenada
GPU Variant
Baffin PRO
Grenada PRO(215-0880030)
Architecture
GCN 4.0
GCN 2.0
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
28 nm
Transistors
3 billion
6.2 billion
Die Size
123 mm²
438 mm²
Board Design
TDP
75W
275W
Suggested PSU
250 W
600 W
Outputs
1x DVI1x HDMI 2.0b1x DisplayPort 1.4a
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
None
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.1
2.0
Vulkan
1.2
1.2
Shader Model
6.4
6.3
📊 Benchmark
3DMark Time Spy
1,754
3,964
3DMark Time Spy Extreme
776
1,931
Shadow of the Tomb Raider 2160p
3
-
Shadow of the Tomb Raider 1440p
12
-
Shadow of the Tomb Raider 1080p
22
-