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
GEFORCE
GeForce RTX 5080 Mobile
CORE STATE
GB203
VRAM
16 GB
CLOCK SPEED
1500 MHz
TDP
80 W
BUS WIDTH
256 bit
ARCHITECTURE
Blackwell 2.0
PROCESS
5 nm
LAUNCH DATE
2025
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
3dmark_3dmark_steel_nomad_dx12
geekbench_vulkan
passmark_directx_10
passmark_directx_11
passmark_directx_12
passmark_directx_9
passmark_g2d
passmark_g3d
passmark_gpu_compute
DETAILED SPECIFICATIONS
SPECIFICATION
R9 M395X
RTX 5080 Mobile
Core Specs
Shading Units
2,048
7,680
+275.0%
Shaders
2,048
7,680
+275.0%
TMUs
128
240
+87.5%
ROPs
32
96
+200.0%
Compute Units
32
—
SM Count
—
60
Clocks
Base Clock
—
975 MHz
Boost Clock
—
1500 MHz
GPU Clock
723 MHz
—
Memory Clock
1250 MHz
5 Gbps effective
1750 MHz
28 Gbps effective
Memory
Memory Size
8 GB
16 GB
VRAM (MB)
8,192
16,384
+100.0%
Memory Type
GDDR5
GDDR7
Memory Bus
256 bit
256 bit
Bandwidth
160.0 GB/s
896.0 GB/s
Cache
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
512 KB
64 MB
Performance
Pixel Rate
23.14 GPixel/s
144.0 GPixel/s
Texture Rate
92.54 GTexel/s
360.0 GTexel/s
FP32 (TFLOPS)
2.961 TFLOPS
23.04 TFLOPS
FP64 (TFLOPS)
185.1 GFLOPS (1:16)
360.0 GFLOPS (1:64)
FP16 (TFLOPS)
2.961 TFLOPS (1:1)
23.04 TFLOPS (1:1)
AI/RT
RT Cores
—
60
Tensor Cores
—
240
Power
TDP
75 W
80 W
TDP (W)
75
80
+6.7%
Power Connectors
None
None
Architecture
Architecture
GCN 3.0
Blackwell 2.0
GPU Name
Amethyst
GB203
Generation
Gem System
(R9 M300)
GeForce 50 Mobile
Process Size
28 nm
5 nm
Transistors
5,000 million
45,600 million
Die Size
366 mm²
378 mm²
Foundry
TSMC
TSMC
Density
13.7M / mm²
120.6M / mm²
API Support
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.4
OpenCL
2.1
3.0
CUDA
—
12.0
Shader Model
6.5
6.8
Physical
Slot Width
MXM Module
IGP
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
PCIe 3.0 x16
PCIe 5.0 x16
Other
Production
End-of-life
Active
Predecessor
Solar System
GeForce 40 Mobile
Successor
Polaris Mobile
—