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
RTX 4000 SFF Ada Generation
CORE STATE
AD104
VRAM
20 GB
CLOCK SPEED
1560 MHz
TDP
70 W
BUS WIDTH
160 bit
ARCHITECTURE
Ada Lovelace
PROCESS
5 nm
LAUNCH DATE
2023
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
R9 M395X
RTX 4000 SFF Ada Generation
Core Specs
Shading Units
2,048
6,144
+200.0%
Shaders
2,048
6,144
+200.0%
TMUs
128
192
+50.0%
ROPs
32
64
+100.0%
Compute Units
32
—
SM Count
—
48
Clocks
Base Clock
—
720 MHz
Boost Clock
—
1560 MHz
GPU Clock
723 MHz
—
Memory Clock
1250 MHz
5 Gbps effective
1750 MHz
14 Gbps effective
Memory
Memory Size
8 GB
20 GB
VRAM (MB)
8,192
20,480
+150.0%
Memory Type
GDDR5
GDDR6
Memory Bus
256 bit
160 bit
Bandwidth
160.0 GB/s
280.0 GB/s
Cache
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
512 KB
48 MB
Performance
Pixel Rate
23.14 GPixel/s
99.84 GPixel/s
Texture Rate
92.54 GTexel/s
299.5 GTexel/s
FP32 (TFLOPS)
2.961 TFLOPS
19.17 TFLOPS
FP64 (TFLOPS)
185.1 GFLOPS (1:16)
299.5 GFLOPS (1:64)
FP16 (TFLOPS)
2.961 TFLOPS (1:1)
19.17 TFLOPS (1:1)
AI/RT
RT Cores
—
48
Tensor Cores
—
192
Power
TDP
75 W
70 W
TDP (W)
75
70
-6.7%
Suggested PSU
—
250 W
Power Connectors
None
None
Architecture
Architecture
GCN 3.0
Ada Lovelace
GPU Name
Amethyst
AD104
Generation
Gem System
(R9 M300)
Workstation Ada
(x000A)
Process Size
28 nm
5 nm
Transistors
5,000 million
35,800 million
Die Size
366 mm²
294 mm²
Foundry
TSMC
TSMC
Density
13.7M / mm²
121.8M / 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
—
8.9
Shader Model
6.5
6.8
Physical
Slot Width
MXM Module
Dual-slot
Length
—
168 mm
6.6 inches
Height
—
69 mm
2.7 inches
Outputs
Portable Device Dependent
4x mini-DisplayPort 1.4a
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Other
Production
End-of-life
Active
Predecessor
Solar System
Workstation Ampere
Successor
Polaris Mobile
Blackwell PRO W