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 7800 XT
CORE STATE
Navi 32
VRAM
16 GB
CLOCK SPEED
2430 MHz
TDP
263 W
BUS WIDTH
256 bit
ARCHITECTURE
RDNA 3.0
PROCESS
5 nm
LAUNCH DATE
2023
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
RX 7800 XT
Core Specs
Shading Units
2,048
3,840
+87.5%
Shaders
2,048
3,840
+87.5%
TMUs
128
240
+87.5%
ROPs
32
96
+200.0%
Compute Units
32
60
+87.5%
Clocks
Base Clock
—
1295 MHz
Boost Clock
—
2430 MHz
GPU Clock
723 MHz
—
Game Clock
—
2124 MHz
Memory Clock
1250 MHz
5 Gbps effective
2438 MHz
19.5 Gbps effective
Memory
Memory Size
8 GB
16 GB
VRAM (MB)
8,192
16,384
+100.0%
Memory Type
GDDR5
GDDR6
Memory Bus
256 bit
256 bit
Bandwidth
160.0 GB/s
624.1 GB/s
Cache
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
512 KB
4 MB
L3 Cache
—
64 MB
L0 Cache
—
32 KB per WGP
Performance
Pixel Rate
23.14 GPixel/s
233.3 GPixel/s
Texture Rate
92.54 GTexel/s
583.2 GTexel/s
FP32 (TFLOPS)
2.961 TFLOPS
37.32 TFLOPS
FP64 (TFLOPS)
185.1 GFLOPS (1:16)
1,166.4 GFLOPS (1:32)
FP16 (TFLOPS)
2.961 TFLOPS (1:1)
74.65 TFLOPS (2:1)
AI/RT
RT Cores
—
60
Matrix Cores
—
120
Power
TDP
75 W
263 W
TDP (W)
75
263
+250.7%
Suggested PSU
—
600 W
Power Connectors
None
2x 8-pin
Architecture
Architecture
GCN 3.0
RDNA 3.0
GPU Name
Amethyst
Navi 32
Codename
—
Wheat Nas
Generation
Gem System
(R9 M300)
Navi III
(RX 7000)
Process Size
28 nm
5 nm
Transistors
5,000 million
28,100 million
Die Size
366 mm²
346 mm²
Foundry
TSMC
TSMC
Density
13.7M / mm²
81.2M / 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
2.2
Shader Model
6.5
6.8
Physical
Slot Width
MXM Module
Dual-slot
Length
—
267 mm
10.5 inches
Height
—
111 mm
4.4 inches
Outputs
Portable Device Dependent
1x HDMI 2.1a3x DisplayPort 2.1
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Other
Launch Price
—
499 USD
Production
End-of-life
Active
Predecessor
Solar System
Navi II
Successor
Polaris Mobile
Navi IV