Radeon HD 6450 vs GeForce RTX 4080 12 GB
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 6450 and 12GB VRAM GeForce RTX 4080 12 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon HD 6450 Advantages
Lower TDP (18W vs 285W)
GeForce RTX 4080 12 GB Advantages
Boost Clock2610MHz
More VRAM (12GB vs 512GB)
Larger VRAM bandwidth (504.2GB/s vs 25.60GB/s)
7520 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 6450
200
GeForce RTX 4080 12 GB
+19945%
40090
Graphics Card
Apr 2011
Release Date
Unknown
Northern Islands
Generation
GeForce 40
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
-
Base Clock
2310 MHz
-
Boost Clock
2610 MHz
800 MHz
Memory Clock
1313 MHz
Memory
512MB
Memory Size
12GB
GDDR5
Memory Type
GDDR6X
64bit
Memory Bus
192bit
25.60GB/s
Bandwidth
504.2GB/s
Render Config
2
Compute Units
-
-
SM Count
60
160
Shading Units
7680
8
TMUs
240
4
ROPs
80
-
Tensor Cores
240
-
RT Cores
60
8 KB (per CU)
L1 Cache
128 KB (per SM)
128 KB
L2 Cache
48 MB
Theoretical Performance
2.500 GPixel/s
Pixel Rate
208.8 GPixel/s
5.000 GTexel/s
Texture Rate
626.4 GTexel/s
-
FP16 (half)
40.09 TFLOPS
200.0 GFLOPS
FP32 (float)
40.09 TFLOPS
-
FP64 (double)
626.4 GFLOPS
Board Design
18W
TDP
285W
200 W
Suggested PSU
600 W
1x DVI
1x HDMI 1.3a
1x VGA
1x HDMI 1.3a
1x VGA
Outputs
1x HDMI 2.1
3x DisplayPort 1.4a
3x DisplayPort 1.4a
None
Power Connectors
1x 16-pin
Graphics Processor
Caicos
GPU Name
AD104
Caicos PRO
GPU Variant
AD104-400-A1
TeraScale 2
Architecture
Ada Lovelace
TSMC
Foundry
TSMC
40 nm
Process Size
4 nm
0.37 billion
Transistors
35.8 billion
67 mm²
Die Size
295 mm²
Graphics Features
11.2 (11_0)
DirectX
12 Ultimate (12_2)
4.4
OpenGL
4.6
1.2
OpenCL
3.0
N/A
Vulkan
1.3
-
CUDA
8.9
5.0
Shader Model
6.6
