AMD Radeon R9 Nano vs AMD Radeon RX 7800M
GPU Specs Compare
Graphics Card
Release Date
Aug 2015
Sep 2024
Generation
Pirate Islands
Navi Mobile
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Memory Clock
500 MHz
2250 MHz
Base Clock
-
1295 MHz
Boost Clock
-
2335 MHz
Memory
Memory Size
4GB
12GB
Memory Type
HBM
GDDR6
Memory Bus
4096bit
192bit
Bandwidth
512.0GB/s
432.0GB/s
Render Config
Compute Units
64
60
Shading Units
4096
3840
TMUs
256
240
ROPs
64
96
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
2 MB
4 MB
RT Cores
-
60
L3 Cache
-
48 MB
Theoretical Performance
Pixel Rate
64.00 GPixel/s
224.2 GPixel/s
Texture Rate
256.0 GTexel/s
560.4 GTexel/s
FP16 (half)
8.192 TFLOPS
71.73 TFLOPS
FP32 (float)
8.192 TFLOPS
35.87 TFLOPS
FP64 (double)
512.0 GFLOPS
1121 GFLOPS
Graphics Processor
GPU Name
Fiji
Navi 32
GPU Variant
Fiji XT CA(215-0862120)
Navi 32 XT(215-180000006)
Architecture
GCN 3.0
RDNA 3.0
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
8.9 billion
28.1 billion
Die Size
596 mm²
346 mm²
Board Design
TDP
175W
180W
Suggested PSU
450 W
-
Outputs
1x HDMI 1.4a3x DisplayPort 1.2
Portable Device Dependent
Power Connectors
1x 8-pin
None
Graphics Features
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.0
2.2
Vulkan
1.2
1.3
Shader Model
6.3
6.8