AMD Radeon HD 6990M vs NVIDIA GeForce MX450 25W
GPU · Specs Compare
Graphics Card
Release Date
Jul 2011
Aug 2020
Generation
Vancouver
GeForce MX
Type
Mobile
Mobile
Bus Interface
MXM-B (3.0)
PCIe 4.0 x4
Clock Speeds
Memory Clock
900 MHz
1250 MHz
Base Clock
—
720 MHz
Boost Clock
—
930 MHz
Memory
Memory Size
2GB
2GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
64bit
Bandwidth
115.2GB/s
80.00GB/s
Render Config
Compute Units
14
—
Shading Units
1120
896
TMUs
56
56
ROPs
32
32
L1 Cache
8 KB (per CU)
64 KB (per SM)
L2 Cache
512 KB
512 KB
SM Count
—
14
Theoretical Performance
Pixel Rate
22.88 GPixel/s
29.76 GPixel/s
Texture Rate
40.04 GTexel/s
52.08 GTexel/s
FP32 (float)
1.602 TFLOPS
1.667 TFLOPS
FP16 (half)
—
3.333 TFLOPS
FP64 (double)
—
52.08 GFLOPS
Graphics Processor
GPU Name
Blackcomb
TU117
GPU Variant
Blackcomb XTX(216-0811030)
N18S-G5
Architecture
TeraScale 2
Turing
Foundry
TSMC
TSMC
Process Size
40 nm
12 nm
Transistors
1.7 billion
4.7 billion
Die Size
212 mm²
200 mm²
Board Design
TDP
100W
25W
Outputs
No outputs
No outputs
Power Connectors
None
None
Graphics Features
DirectX
11.2 (11_0)
12 (12_1)
OpenGL
4.4
4.6
OpenCL
1.2
3.0
Vulkan
N/A
1.3
Shader Model
5.0
6.6
CUDA
—
7.5
Benchmark
3DMark Time Spy
—
1,706
▲ Specs Compare
Data sourced from official specifications and benchmark tests.