AMD Radeon RX 7800M vs AMD Radeon HD 7950 Mac Edition
GPU Specs Compare
Graphics Card
Release Date
Sep 2024
Mar 2013
Generation
Navi Mobile
Southern Islands
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1295 MHz
-
Boost Clock
2335 MHz
-
Memory Clock
2250 MHz
1250 MHz
Memory
Memory Size
12GB
3GB
Memory Type
GDDR6
GDDR5
Memory Bus
192bit
384bit
Bandwidth
432.0GB/s
240.0GB/s
Render Config
Compute Units
60
28
Shading Units
3840
1792
TMUs
240
112
ROPs
96
32
RT Cores
60
-
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
4 MB
768 KB
L3 Cache
48 MB
-
Theoretical Performance
Pixel Rate
224.2 GPixel/s
25.60 GPixel/s
Texture Rate
560.4 GTexel/s
89.60 GTexel/s
FP16 (half)
71.73 TFLOPS
-
FP32 (float)
35.87 TFLOPS
2.867 TFLOPS
FP64 (double)
1121 GFLOPS
716.8 GFLOPS
Graphics Processor
GPU Name
Navi 32
Tahiti
GPU Variant
Navi 32 XT(215-180000006)
Tahiti PRO(215-0821056)
Architecture
RDNA 3.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
28.1 billion
4.313 billion
Die Size
346 mm²
352 mm²
Board Design
TDP
180W
200W
Outputs
Portable Device Dependent
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
None
2x 6-pin
Suggested PSU
-
550 W
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
2.2
1.2
Vulkan
1.3
1.2
Shader Model
6.8
5.1