AMD Radeon RX 6800M vs NVIDIA GeForce RTX 3090
GPU Specs Compare
Graphics Card
Release Date
May 2021
Sep 2020
Generation
Mobility Radeon
GeForce 30
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
2116 MHz
1395 MHz
Boost Clock
2390 MHz
1695 MHz
Memory Clock
2000 MHz
1219 MHz
Memory
Memory Size
12GB
24GB
Memory Type
GDDR6
GDDR6X
Memory Bus
192bit
384bit
Bandwidth
384.0GB/s
936.2GB/s
Render Config
Compute Units
40
-
Shading Units
2560
10496
TMUs
160
328
ROPs
64
112
RT Cores
40
82
L1 Cache
128 KB per Array
128 KB (per SM)
L2 Cache
3 MB
6 MB
L3 Cache
96 MB
-
SM Count
-
82
Tensor Cores
-
328
Theoretical Performance
Pixel Rate
153.0 GPixel/s
189.8 GPixel/s
Texture Rate
382.4 GTexel/s
556.0 GTexel/s
FP16 (half)
24.47 TFLOPS
35.58 TFLOPS
FP32 (float)
12.24 TFLOPS
35.58 TFLOPS
FP64 (double)
764.8 GFLOPS
556.0 GFLOPS
Graphics Processor
GPU Name
Navi 22
GA102
GPU Variant
Navi 22 XTM
GA102-300-A1
Architecture
RDNA 2.0
Ampere
Foundry
TSMC
Samsung
Process Size
7 nm
8 nm
Transistors
17.2 billion
28.3 billion
Die Size
335 mm²
628 mm²
Board Design
TDP
145W
350W
Outputs
No outputs
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
None
1x 12-pin
Suggested PSU
-
750 W
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1
3.0
Vulkan
1.3
1.3
Shader Model
6.5
6.6
CUDA
-
8.6
📊 Benchmark
3DMark Time Spy
11,498
-
3DMark Time Spy Extreme
5,418
-
3DMark Speed Way
2,096
-
Blender
1,568
-