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 4080 SUPER
CORE STATE
AD103
VRAM
16 GB
CLOCK SPEED
2550 MHz
TDP
320 W
BUS WIDTH
256 bit
ARCHITECTURE
Ada Lovelace
PROCESS
5 nm
LAUNCH DATE
2024
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 4080 SUPER
Core Specs
Shading Units
2,048
10,240
+400.0%
Shaders
2,048
10,240
+400.0%
TMUs
128
320
+150.0%
ROPs
32
112
+250.0%
Compute Units
32
—
SM Count
—
80
Clocks
Base Clock
—
2295 MHz
Boost Clock
—
2550 MHz
GPU Clock
723 MHz
—
Memory Clock
1250 MHz
5 Gbps effective
1438 MHz
23 Gbps effective
Memory
Memory Size
8 GB
16 GB
VRAM (MB)
8,192
16,384
+100.0%
Memory Type
GDDR5
GDDR6X
Memory Bus
256 bit
256 bit
Bandwidth
160.0 GB/s
736.3 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
285.6 GPixel/s
Texture Rate
92.54 GTexel/s
816.0 GTexel/s
FP32 (TFLOPS)
2.961 TFLOPS
52.22 TFLOPS
FP64 (TFLOPS)
185.1 GFLOPS (1:16)
816.0 GFLOPS (1:64)
FP16 (TFLOPS)
2.961 TFLOPS (1:1)
52.22 TFLOPS (1:1)
AI/RT
RT Cores
—
80
Tensor Cores
—
320
Power
TDP
75 W
320 W
TDP (W)
75
320
+326.7%
Suggested PSU
—
700 W
Power Connectors
None
1x 16-pin
Architecture
Architecture
GCN 3.0
Ada Lovelace
GPU Name
Amethyst
AD103
Generation
Gem System
(R9 M300)
GeForce 40
Process Size
28 nm
5 nm
Transistors
5,000 million
45,900 million
Die Size
366 mm²
379 mm²
Foundry
TSMC
TSMC
Density
13.7M / mm²
121.1M / 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
Triple-slot
Length
—
310 mm
12.2 inches
Height
—
140 mm
5.5 inches
Outputs
Portable Device Dependent
1x HDMI 2.13x DisplayPort 1.4a
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Other
Launch Price
—
999 USD
Production
End-of-life
End-of-life
Predecessor
Solar System
GeForce 30
Successor
Polaris Mobile
GeForce 50