AMD Radeon 680M vs AMD Radeon RX 7950 XT
GPU Specs Compare
Graphics Card
Release Date
Jan 2022
Unknown
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
2000 MHz
Boost Clock
2200 MHz
3000 MHz
Memory Clock
System Shared
2500 MHz
Memory
Memory Size
System Shared
20GB
Memory Type
System Shared
GDDR6
Memory Bus
System Shared
320bit
Bandwidth
System Dependent
800.0GB/s
Render Config
Compute Units
12
84
Shading Units
768
5376
TMUs
48
336
ROPs
32
192
RT Cores
12
84
L1 Cache
128 KB per Array
256 KB per Array
L2 Cache
2 MB
6 MB
L3 Cache
-
80 MB
Theoretical Performance
Pixel Rate
70.40 GPixel/s
576.0 GPixel/s
Texture Rate
105.6 GTexel/s
1008 GTexel/s
FP16 (half)
6.758 TFLOPS
129.0 TFLOPS
FP32 (float)
3.379 TFLOPS
64.51 TFLOPS
FP64 (double)
211.2 GFLOPS
2.016 TFLOPS
Graphics Processor
GPU Name
Rembrandt
Navi 31
Architecture
RDNA 2.0
RDNA 3.0
Foundry
TSMC
TSMC
Process Size
6 nm
5 nm
Transistors
13.1 billion
57.7 billion
Die Size
208 mm²
529 mm²
GPU Variant
-
Navi 31 XT+
Board Design
TDP
50W
300W
Outputs
Portable Device Dependent
1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C
Power Connectors
None
2x 8-pin
Suggested PSU
-
700 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
6.7