AMD Radeon HD 7970 vs NVIDIA GeForce MX450 25W
GPU Specs Compare
Graphics Card
Release Date
Jan 2012
Aug 2020
Generation
Southern Islands
GeForce MX
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x4
Clock Speeds
Memory Clock
1375 MHz
1250 MHz
Base Clock
-
720 MHz
Boost Clock
-
930 MHz
Memory
Memory Size
3GB
2GB
Memory Type
GDDR5
GDDR6
Memory Bus
384bit
64bit
Bandwidth
264.0GB/s
80.00GB/s
Render Config
Compute Units
32
-
Shading Units
2048
896
TMUs
128
56
ROPs
32
32
L1 Cache
16 KB (per CU)
64 KB (per SM)
L2 Cache
768 KB
512 KB
SM Count
-
14
Theoretical Performance
Pixel Rate
29.60 GPixel/s
29.76 GPixel/s
Texture Rate
118.4 GTexel/s
52.08 GTexel/s
FP32 (float)
3.789 TFLOPS
1.667 TFLOPS
FP64 (double)
947.2 GFLOPS
52.08 GFLOPS
FP16 (half)
-
3.333 TFLOPS
Graphics Processor
GPU Name
Tahiti
TU117
GPU Variant
Tahiti XT(215-0821060)
N18S-G5
Architecture
GCN 1.0
Turing
Foundry
TSMC
TSMC
Process Size
28 nm
12 nm
Transistors
4.313 billion
4.7 billion
Die Size
352 mm²
200 mm²
Board Design
TDP
250W
25W
Suggested PSU
600 W
-
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
No outputs
Power Connectors
1x 6-pin + 1x 8-pin
None
Graphics Features
DirectX
12 (11_1)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
2.1 (1.2)
3.0
Vulkan
1.2.170
1.3
Shader Model
6.5 (5.1)
6.6
CUDA
-
7.5
📊 Benchmark
3DMark Time Spy
2,310
1,706
3DMark Time Spy Extreme
1,209
-