AMD Radeon RX 6800 3456SP vs AMD Radeon 680M
GPU · Specs Compare
Graphics Card
Release Date
Unknown
Jan 2022
Generation
Navi II
Navi II IGP
Type
Desktop
Integrated
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x8
Clock Speeds
Base Clock
1700 MHz
2000 MHz
Boost Clock
2250 MHz
2200 MHz
Memory Clock
2000 MHz
System Shared
Memory
Memory Size
16GB
System Shared
Memory Type
GDDR6
System Shared
Memory Bus
256bit
System Shared
Bandwidth
512.0GB/s
System Dependent
Render Config
Compute Units
54
12
Shading Units
3456
768
TMUs
216
48
ROPs
96
32
RT Cores
54
12
L1 Cache
128 KB per Array
128 KB per Array
L2 Cache
4 MB
2 MB
L3 Cache
128 MB
—
Theoretical Performance
Pixel Rate
216.0 GPixel/s
70.40 GPixel/s
Texture Rate
486.0 GTexel/s
105.6 GTexel/s
FP16 (half)
31.10 TFLOPS
6.758 TFLOPS
FP32 (float)
15.55 TFLOPS
3.379 TFLOPS
FP64 (double)
972.0 GFLOPS
211.2 GFLOPS
Graphics Processor
GPU Name
Navi 21
Rembrandt
GPU Variant
Navi 21 ES(215-121000066)
—
Architecture
RDNA 2.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
7 nm
6 nm
Transistors
26.8 billion
13.1 billion
Die Size
520 mm²
208 mm²
Board Design
TDP
250W
50W
Suggested PSU
600 W
—
Outputs
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
Portable Device Dependent
Power Connectors
2x 8-pin
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1
2.0
Vulkan
1.3
1.3
Shader Model
6.8
6.7
▲ Specs Compare
Data sourced from official specifications and benchmark tests.