GPU Comparison
RADEON
AMD Radeon R9 M395X
CORE STATE
Amethyst
VRAM
8 GB
CLOCK SPEED
—
TDP
75 W
BUS WIDTH
256 bit
ARCHITECTURE
GCN 3.0
PROCESS
28 nm
LAUNCH DATE
2015
VS
RADEON
Radeon RX 480
CORE STATE
Ellesmere
VRAM
8 GB
CLOCK SPEED
1266 MHz
TDP
150 W
BUS WIDTH
256 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2016
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
3dmark_3dmark_steel_nomad_dx12
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
R9 M395X
RX 480
Core Specs
Shading Units
2,048
2,304
+12.5%
Shaders
2,048
2,304
+12.5%
TMUs
128
144
+12.5%
ROPs
32
32
0.0%
Compute Units
32
36
+12.5%
Clocks
Base Clock
—
1120 MHz
Boost Clock
—
1266 MHz
GPU Clock
723 MHz
—
Memory Clock
1250 MHz
5 Gbps effective
2000 MHz
8 Gbps effective
Memory
Memory Size
8 GB
8 GB
VRAM (MB)
8,192
8,192
0.0%
Memory Type
GDDR5
GDDR5
Memory Bus
256 bit
256 bit
Bandwidth
160.0 GB/s
256.0 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
2 MB
Performance
Pixel Rate
23.14 GPixel/s
40.51 GPixel/s
Texture Rate
92.54 GTexel/s
182.3 GTexel/s
FP32 (TFLOPS)
2.961 TFLOPS
5.834 TFLOPS
FP64 (TFLOPS)
185.1 GFLOPS (1:16)
364.6 GFLOPS (1:16)
FP16 (TFLOPS)
2.961 TFLOPS (1:1)
5.834 TFLOPS (1:1)
Power
TDP
75 W
150 W
TDP (W)
75
150
+100.0%
Suggested PSU
—
450 W
Power Connectors
None
1x 6-pin
Architecture
Architecture
GCN 3.0
GCN 4.0
GPU Name
Amethyst
Ellesmere
Generation
Gem System
(R9 M300)
Arctic Islands
(RX 400)
Process Size
28 nm
14 nm
Transistors
5,000 million
5,700 million
Die Size
366 mm²
232 mm²
Foundry
TSMC
GlobalFoundries
Density
13.7M / mm²
24.6M / mm²
API Support
DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.3
OpenCL
2.1
2.1
Shader Model
6.5
6.7
Physical
Slot Width
MXM Module
Dual-slot
Length
—
240 mm
9.4 inches
Height
—
95 mm
3.7 inches
Outputs
Portable Device Dependent
1x HDMI 2.0b3x DisplayPort 1.4a
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Other
Launch Price
—
229 USD
Production
End-of-life
End-of-life
Predecessor
Solar System
Pirate Islands
Successor
Polaris Mobile
Polaris