GeForce RTX 4090 Ti vs Radeon HD 6450 OEM
We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090 Ti and 512MB VRAM Radeon HD 6450 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce RTX 4090 Ti Advantages
Boost Clock2565MHz
More VRAM (24GB vs 512GB)
Larger VRAM bandwidth (1152GB/s vs 8.528GB/s)
18016 additional rendering cores
Radeon HD 6450 OEM Advantages
Lower TDP (18W vs 600W)
Score
Benchmark
FP32 (float)
GeForce RTX 4090 Ti
+46520%
93240
Radeon HD 6450 OEM
200
Graphics Card
Unknown
Release Date
Feb 2011
GeForce 40
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
2325 MHz
Base Clock
-
2565 MHz
Boost Clock
-
1500 MHz
Memory Clock
533 MHz
Memory
24GB
Memory Size
512MB
GDDR6X
Memory Type
GDDR3
384bit
Memory Bus
64bit
1152GB/s
Bandwidth
8.528GB/s
Render Config
-
Compute Units
2
142
SM Count
-
18176
Shading Units
160
568
TMUs
8
192
ROPs
4
568
Tensor Cores
-
142
RT Cores
-
128 KB (per SM)
L1 Cache
8 KB (per CU)
96 MB
L2 Cache
128 KB
Theoretical Performance
492.5 GPixel/s
Pixel Rate
2.500 GPixel/s
1457 GTexel/s
Texture Rate
5.000 GTexel/s
93.24 TFLOPS
FP16 (half)
-
93.24 TFLOPS
FP32 (float)
200.0 GFLOPS
1457 GFLOPS
FP64 (double)
-
Board Design
600W
TDP
18W
1000 W
Suggested PSU
200 W
1x HDMI 2.1
3x DisplayPort 1.4a
3x DisplayPort 1.4a
Outputs
1x DVI
1x HDMI 1.3a
1x VGA
1x HDMI 1.3a
1x VGA
2x 16-pin
Power Connectors
None
Graphics Processor
AD102
GPU Name
Caicos
AD102-400-A1
GPU Variant
Junbonator
Ada Lovelace
Architecture
TeraScale 2
TSMC
Foundry
TSMC
5 nm
Process Size
40 nm
76.3 billion
Transistors
0.37 billion
609 mm²
Die Size
67 mm²
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
8.9
CUDA
-
6.7
Shader Model
5.0