AMD Radeon RX 7800M vs AMD Radeon RX 590 GME
GPU Specs Compare
Graphics Card
Release Date
Sep 2024
Mar 2020
Generation
Navi Mobile
Polaris
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1295 MHz
1257 MHz
Boost Clock
2335 MHz
1420 MHz
Memory Clock
2250 MHz
2000 MHz
Memory
Memory Size
12GB
8GB
Memory Type
GDDR6
GDDR5
Memory Bus
192bit
256bit
Bandwidth
432.0GB/s
256.0GB/s
Render Config
Compute Units
60
36
Shading Units
3840
2304
TMUs
240
144
ROPs
96
32
RT Cores
60
-
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
4 MB
2 MB
L3 Cache
48 MB
-
Theoretical Performance
Pixel Rate
224.2 GPixel/s
45.44 GPixel/s
Texture Rate
560.4 GTexel/s
204.5 GTexel/s
FP16 (half)
71.73 TFLOPS
6.543 TFLOPS
FP32 (float)
35.87 TFLOPS
6.543 TFLOPS
FP64 (double)
1121 GFLOPS
409.0 GFLOPS
Graphics Processor
GPU Name
Navi 32
Polaris 20
GPU Variant
Navi 32 XT(215-180000006)
Polaris 20 XTR(215-0910066)
Architecture
RDNA 3.0
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
5 nm
14 nm
Transistors
28.1 billion
5.7 billion
Die Size
346 mm²
232 mm²
Board Design
TDP
180W
175W
Outputs
Portable Device Dependent
1x HDMI 2.0b3x DisplayPort 1.4a
Power Connectors
None
1x 8-pin
Suggested PSU
-
450 W
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.2
2.1
Vulkan
1.3
1.3
Shader Model
6.8
6.7