AMD Radeon 680M vs AMD Radeon RX 7700
GPU Specs Compare
Graphics Card
Release Date
Jan 2022
Sep 2025
Generation
Navi II IGP
Navi III
Type
Integrated
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 4.0 x16
Clock Speeds
Base Clock
2000 MHz
1900 MHz
Boost Clock
2200 MHz
2600 MHz
Memory Clock
System Shared
2430 MHz
Memory
Memory Size
System Shared
16GB
Memory Type
System Shared
GDDR6
Memory Bus
System Shared
256bit
Bandwidth
System Dependent
622.1GB/s
Render Config
Compute Units
12
40
Shading Units
768
2560
TMUs
48
160
ROPs
32
96
RT Cores
12
40
L1 Cache
128 KB per Array
128 KB per Array
L2 Cache
2 MB
2 MB
L3 Cache
-
64 MB
Theoretical Performance
Pixel Rate
70.40 GPixel/s
249.6 GPixel/s
Texture Rate
105.6 GTexel/s
416.0 GTexel/s
FP16 (half)
6.758 TFLOPS
53.25 TFLOPS
FP32 (float)
3.379 TFLOPS
26.62 TFLOPS
FP64 (double)
211.2 GFLOPS
832.0 GFLOPS
Graphics Processor
GPU Name
Rembrandt
Navi 32
Architecture
RDNA 2.0
RDNA 3.0
Foundry
TSMC
TSMC
Process Size
6 nm
5 nm
Transistors
13.1 billion
28.1 billion
Die Size
208 mm²
346 mm²
GPU Variant
-
Navi 32
Board Design
TDP
50W
200W
Outputs
Portable Device Dependent
1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C
Power Connectors
None
1x 8-pin
Suggested PSU
-
550 W
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.0
2.2
Vulkan
1.3
1.3
Shader Model
6.7
6.8