AMD Radeon HD 6990M vs NVIDIA GeForce RTX 3080 Ti Mobile
GPU Specs Compare
Graphics Card
Release Date
Jul 2011
Jan 2022
Generation
Vancouver
GeForce 30 Mobile
Type
Mobile
Mobile
Bus Interface
MXM-B (3.0)
PCIe 4.0 x16
Clock Speeds
Memory Clock
900 MHz
2000 MHz
Base Clock
-
810 MHz
Boost Clock
-
1260 MHz
Memory
Memory Size
2GB
16GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
256bit
Bandwidth
115.2GB/s
512.0GB/s
Render Config
Compute Units
14
-
Shading Units
1120
7424
TMUs
56
232
ROPs
32
96
L1 Cache
8 KB (per CU)
128 KB (per SM)
L2 Cache
512 KB
4 MB
SM Count
-
58
Tensor Cores
-
232
RT Cores
-
58
Theoretical Performance
Pixel Rate
22.88 GPixel/s
121.0 GPixel/s
Texture Rate
40.04 GTexel/s
292.3 GTexel/s
FP32 (float)
1.602 TFLOPS
18.71 TFLOPS
FP16 (half)
-
18.71 TFLOPS
FP64 (double)
-
292.3 GFLOPS
Graphics Processor
GPU Name
Blackcomb
GA103S
GPU Variant
Blackcomb XTX(216-0811030)
GN20-E8-A1
Architecture
TeraScale 2
Ampere
Foundry
TSMC
Samsung
Process Size
40 nm
8 nm
Transistors
1.7 billion
Unknown
Die Size
212 mm²
496 mm²
Board Design
TDP
100W
115W
Outputs
No outputs
No outputs
Power Connectors
None
None
Graphics Features
DirectX
11.2 (11_0)
12 Ultimate (12_2)
OpenGL
4.4
4.6
OpenCL
1.2
3.0
Vulkan
N/A
1.3
Shader Model
5.0
6.5
CUDA
-
8.6
📊 Benchmark
3DMark Time Spy
-
12,905
3DMark Time Spy Extreme
-
6,164