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
GPU
Iris Xe MAX Graphics
CORE STATE
DG1
VRAM
4 GB
CLOCK SPEED
1650 MHz
TDP
25 W
BUS WIDTH
128 bit
ARCHITECTURE
Generation 12.1
PROCESS
10 nm
LAUNCH DATE
2020
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
R9 M395X
Iris Xe MAX Graphics
Core Specs
Shading Units
2,048
768
-62.5%
Shaders
2,048
768
-62.5%
TMUs
128
48
-62.5%
ROPs
32
24
-25.0%
Compute Units
32
—
Execution Units
—
96
Clocks
Base Clock
—
300 MHz
Boost Clock
—
1650 MHz
GPU Clock
723 MHz
—
Memory Clock
1250 MHz
5 Gbps effective
2133 MHz
4.3 Gbps effective
Memory
Memory Size
8 GB
4 GB
VRAM (MB)
8,192
4,096
-50.0%
Memory Type
GDDR5
LPDDR4X
Memory Bus
256 bit
128 bit
Bandwidth
160.0 GB/s
68.26 GB/s
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
512 KB
1024 KB
L3 Cache
—
16 MB
Performance
Pixel Rate
23.14 GPixel/s
39.60 GPixel/s
Texture Rate
92.54 GTexel/s
79.20 GTexel/s
FP32 (TFLOPS)
2.961 TFLOPS
2.534 TFLOPS
FP64 (TFLOPS)
185.1 GFLOPS (1:16)
633.6 GFLOPS (1:4)
FP16 (TFLOPS)
2.961 TFLOPS (1:1)
5.069 TFLOPS (2:1)
Power
TDP
75 W
25 W
TDP (W)
75
25
-66.7%
Suggested PSU
—
200 W
Power Connectors
None
—
Architecture
Architecture
GCN 3.0
Generation 12.1
GPU Name
Amethyst
DG1
Generation
Gem System
(R9 M300)
Xe Graphics
Process Size
28 nm
10 nm
Transistors
5,000 million
—
Die Size
366 mm²
95 mm²
Foundry
TSMC
Intel
Density
13.7M / mm²
—
API Support
DirectX
12 (12_0)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.4
OpenCL
2.1
3.0
Shader Model
6.5
6.6
Physical
Slot Width
MXM Module
IGP
Outputs
Portable Device Dependent
No outputs
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x8
Other
Production
End-of-life
End-of-life
Predecessor
Solar System
Graphics
Successor
Polaris Mobile
Alchemist