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GPU Comparison
NVIDIA GeForce RTX 3080 Ti Max Q vs AMD Radeon HD 6990M Rebrand
NVIDIA GeForce RTX 3080 Ti Max Q vs AMD Radeon HD 6990M Rebrand
VS
NVIDIA GeForce RTX 3080 Ti Max Q
AMD Radeon HD 6990M Rebrand
We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 3080 Ti Max Q and 1024MB VRAM Radeon HD 6990M Rebrand to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce RTX 3080 Ti Max Q 's Advantages
Released 10 years and 6 months late
Boost Clock1125MHz
More VRAM (16GB vs 1GB)
Larger VRAM bandwidth (384.0GB/s vs 70.40GB/s)
6624 additional rendering cores
Lower TDP (80W vs 100W)
Score
Benchmark
FP32 (float)
GeForce RTX 3080 Ti Max Q
+1204%
16.7 TFLOPS
Radeon HD 6990M Rebrand
1.28 TFLOPS
GeForce RTX 3080 Ti Max Q
VS
Radeon HD 6990M Rebrand
Graphics Card
Jan 2022
Release Date
Jul 2011
GeForce 30 Mobile
Generation
Vancouver
Mobile
Type
Mobile
PCIe 4.0 x16
Bus Interface
MXM-B (3.0)
Clock Speeds
585 MHz
Base Clock
-
1125 MHz
Boost Clock
-
1500 MHz
Memory Clock
1100 MHz
Memory
16GB
Memory Size
1024MB
GDDR6
Memory Type
GDDR5
256bit
Memory Bus
128bit
384.0GB/s
Bandwidth
70.40GB/s
Render Config
58
SM Count
-
-
Compute Units
14
7424
Shading Units
800
232
TMUs
40
96
ROPs
16
232
Tensor Cores
-
58
RT Cores
-
128 KB (per SM)
L1 Cache
8 KB (per CU)
4 MB
L2 Cache
256 KB
Theoretical Performance
108.0 GPixel/s
Pixel Rate
12.80 GPixel/s
261.0 GTexel/s
Texture Rate
32.00 GTexel/s
16.70 TFLOPS
FP16 (half)
-
16.70 TFLOPS
FP32 (float)
1280 GFLOPS
261.0 GFLOPS
FP64 (double)
-
Graphics Processor
GA103S
GPU Name
Broadway
GN20-E8-A1
GPU Variant
Broadway XTX
Ampere
Architecture
TeraScale 2
Samsung
Foundry
TSMC
8 nm
Process Size
40 nm
Unknown
Transistors
1.04 billion
496 mm²
Die Size
166 mm²
Board Design
80W
TDP
100W
-
Suggested PSU
-
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Features
12 Ultimate (12_2)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
3.0
OpenCL
1.2
1.3
Vulkan
N/A
8.6
CUDA
-
6.5
Shader Model
5.0
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