AMD Radeon HD 6990M vs NVIDIA GeForce RTX 2080 Mobile
GPU Specs Compare
Graphics Card
Release Date
Jul 2011
Jan 2019
Generation
Vancouver
GeForce 20 Mobile
Type
Mobile
Mobile
Bus Interface
MXM-B (3.0)
PCIe 3.0 x16
Clock Speeds
Memory Clock
900 MHz
1750 MHz
Base Clock
-
1380 MHz
Boost Clock
-
1590 MHz
Memory
Memory Size
2GB
8GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
256bit
Bandwidth
115.2GB/s
448.0GB/s
Render Config
Compute Units
14
-
Shading Units
1120
2944
TMUs
56
184
ROPs
32
64
L1 Cache
8 KB (per CU)
64 KB (per SM)
L2 Cache
512 KB
4 MB
SM Count
-
46
Tensor Cores
-
368
RT Cores
-
46
Theoretical Performance
Pixel Rate
22.88 GPixel/s
101.8 GPixel/s
Texture Rate
40.04 GTexel/s
292.6 GTexel/s
FP32 (float)
1.602 TFLOPS
9.362 TFLOPS
FP16 (half)
-
18.72 TFLOPS
FP64 (double)
-
292.6 GFLOPS
Graphics Processor
GPU Name
Blackcomb
TU104
GPU Variant
Blackcomb XTX(216-0811030)
N18E-G3-A1
Architecture
TeraScale 2
Turing
Foundry
TSMC
TSMC
Process Size
40 nm
12 nm
Transistors
1.7 billion
13.6 billion
Die Size
212 mm²
545 mm²
Board Design
TDP
100W
150W
Outputs
No outputs
No outputs
Power Connectors
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
6.6
CUDA
-
7.5