AMD Radeon HD 6990 vs NVIDIA GeForce RTX 2080 Mobile
GPU · Specs Compare
Graphics Card
Release Date
Mar 2011
Jan 2019
Generation
Northern Islands
GeForce 20 Mobile
Type
Desktop
Mobile
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1250 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
160.0GB/s
448.0GB/s
Render Config
Compute Units
24
—
Shading Units
1536
2944
TMUs
96
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
26.56 GPixel/s
101.8 GPixel/s
Texture Rate
79.68 GTexel/s
292.6 GTexel/s
FP32 (float)
2.550 TFLOPS
9.362 TFLOPS
FP64 (double)
637.4 GFLOPS
292.6 GFLOPS
FP16 (half)
—
18.72 TFLOPS
Graphics Processor
GPU Name
Antilles
TU104
GPU Variant
Antilles XT(215-0807027)
N18E-G3-A1
Architecture
TeraScale 3
Turing
Foundry
TSMC
TSMC
Process Size
40 nm
12 nm
Transistors
2.64 billion
13.6 billion
Die Size
389 mm²
545 mm²
Board Design
TDP
375W
150W
Suggested PSU
750 W
—
Outputs
1x DVI4x mini-DisplayPort 1.2
No outputs
Power Connectors
2x 8-pin
—
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
▲ Specs Compare
Data sourced from official specifications and benchmark tests.