NVIDIA GeForce MX450 25W vs AMD Radeon HD 7870 XT
GPU · Specs Compare
Graphics Card
Release Date
Aug 2020
Nov 2012
Generation
GeForce MX
Southern Islands
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x4
PCIe 3.0 x16
Clock Speeds
Base Clock
720 MHz
925 MHz
Boost Clock
930 MHz
975 MHz
Memory Clock
1250 MHz
1500 MHz
Memory
Memory Size
2GB
2GB
Memory Type
GDDR6
GDDR5
Memory Bus
64bit
256bit
Bandwidth
80.00GB/s
192.0GB/s
Render Config
SM Count
14
—
Shading Units
896
1536
TMUs
56
96
ROPs
32
32
L1 Cache
64 KB (per SM)
16 KB (per CU)
L2 Cache
512 KB
512 KB
Compute Units
—
24
Theoretical Performance
Pixel Rate
29.76 GPixel/s
31.20 GPixel/s
Texture Rate
52.08 GTexel/s
93.60 GTexel/s
FP16 (half)
3.333 TFLOPS
—
FP32 (float)
1.667 TFLOPS
2.995 TFLOPS
FP64 (double)
52.08 GFLOPS
748.8 GFLOPS
Graphics Processor
GPU Name
TU117
Tahiti
GPU Variant
N18S-G5
Tahiti LE(215-0821122)
Architecture
Turing
GCN 1.0
Foundry
TSMC
TSMC
Process Size
12 nm
28 nm
Transistors
4.7 billion
4.313 billion
Die Size
200 mm²
352 mm²
Board Design
TDP
25W
185W
Outputs
No outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
None
2x 6-pin
Suggested PSU
—
450 W
Graphics Features
DirectX
12 (12_1)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
3.0
1.2
Vulkan
1.3
1.2
CUDA
7.5
—
Shader Model
6.6
5.1
Benchmark
3DMark Time Spy
1,706
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.