AMD Radeon RX 6800 3456SP vs NVIDIA GeForce RTX 5070 Mobile
GPU Specs Compare
Graphics Card
Release Date
Unknown
Apr 2025
Generation
Navi II
GeForce 50 Mobile
Type
Desktop
Mobile
Bus Interface
PCIe 4.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
1700 MHz
907 MHz
Boost Clock
2250 MHz
1425 MHz
Memory Clock
2000 MHz
1500 MHz
Memory
Memory Size
16GB
8GB
Memory Type
GDDR6
GDDR7
Memory Bus
256bit
128bit
Bandwidth
512.0GB/s
384.0GB/s
Render Config
Compute Units
54
-
Shading Units
3456
4608
TMUs
216
144
ROPs
96
48
RT Cores
54
36
L1 Cache
128 KB per Array
128 KB (per SM)
L2 Cache
4 MB
32 MB
L3 Cache
128 MB
-
SM Count
-
36
Tensor Cores
-
144
Theoretical Performance
Pixel Rate
216.0 GPixel/s
68.40 GPixel/s
Texture Rate
486.0 GTexel/s
205.2 GTexel/s
FP16 (half)
31.10 TFLOPS
13.13 TFLOPS
FP32 (float)
15.55 TFLOPS
13.13 TFLOPS
FP64 (double)
972.0 GFLOPS
205.2 GFLOPS
Graphics Processor
GPU Name
Navi 21
GB206
GPU Variant
Navi 21 ES(215-121000066)
GB206
Architecture
RDNA 2.0
Blackwell 2.0
Foundry
TSMC
TSMC
Process Size
7 nm
5 nm
Transistors
26.8 billion
21.9 billion
Die Size
520 mm²
181 mm²
Board Design
TDP
250W
50W
Suggested PSU
600 W
300 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
3.0
Vulkan
1.3
1.4
Shader Model
6.8
6.8
CUDA
-
12.0
📊 Benchmark
3DMark Time Spy
-
13,629