AMD Radeon RX 6450M vs AMD Radeon HD 7950
GPU · Specs Compare
Graphics Card
Release Date
Jan 2023
Jan 2012
Generation
Navi Mobile
Southern Islands
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x4
PCIe 3.0 x16
Clock Speeds
Base Clock
2000 MHz
—
Boost Clock
2460 MHz
—
Memory Clock
2000 MHz
1250 MHz
Memory
Memory Size
4GB
3GB
Memory Type
GDDR6
GDDR5
Memory Bus
64bit
384bit
Bandwidth
128.0GB/s
240.0GB/s
Render Config
Compute Units
12
28
Shading Units
768
1792
TMUs
48
112
ROPs
32
32
RT Cores
12
—
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
1024 KB
768 KB
L3 Cache
16 MB
—
Theoretical Performance
Pixel Rate
78.72 GPixel/s
25.60 GPixel/s
Texture Rate
118.1 GTexel/s
89.60 GTexel/s
FP16 (half)
7.557 TFLOPS
—
FP32 (float)
3.779 TFLOPS
2.867 TFLOPS
FP64 (double)
236.2 GFLOPS
716.8 GFLOPS
Graphics Processor
GPU Name
Navi 24
Tahiti
GPU Variant
Navi 24 XML
Tahiti PRO(215-0821056)
Architecture
RDNA 2.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
6 nm
28 nm
Transistors
5.4 billion
4.313 billion
Die Size
107 mm²
352 mm²
Board Design
TDP
50W
200W
Outputs
Portable Device Dependent
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
None
2x 6-pin
Suggested PSU
—
550 W
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
2.2
1.2
Vulkan
1.3
1.2
Shader Model
6.7
5.1
Benchmark
3DMark Time Spy
—
1,969
3DMark Time Spy Extreme
—
1,019
▲ Specs Compare
Data sourced from official specifications and benchmark tests.