GeForce RTX 4080 vs Radeon HD 7450 OEM
We compared two Desktop platform GPUs: 16GB VRAM GeForce RTX 4080 and 512MB VRAM Radeon HD 7450 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce RTX 4080 's Advantages
Released 10 years and 8 months late
Boost Clock2505MHz
More VRAM (16GB vs 512GB)
Larger VRAM bandwidth (716.8GB/s vs 8.528GB/s)
9568 additional rendering cores
Radeon HD 7450 OEM 's Advantages
Lower TDP (18W vs 320W)
Score
Benchmark
FP32 (float)
GeForce RTX 4080
+24270%
48740
Radeon HD 7450 OEM
200
Graphics Card
Sep 2022
Release Date
Jan 2012
GeForce 40
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
2205 MHz
Base Clock
-
2505 MHz
Boost Clock
-
1400 MHz
Memory Clock
533 MHz
Memory
16GB
Memory Size
512MB
GDDR6X
Memory Type
GDDR3
256bit
Memory Bus
64bit
716.8GB/s
Bandwidth
8.528GB/s
Render Config
-
Compute Units
2
76
SM Count
-
9728
Shading Units
160
304
TMUs
8
112
ROPs
4
304
Tensor Cores
-
76
RT Cores
-
128 KB (per SM)
L1 Cache
8 KB (per CU)
64 MB
L2 Cache
128 KB
Theoretical Performance
280.6 GPixel/s
Pixel Rate
2.500 GPixel/s
761.5 GTexel/s
Texture Rate
5.000 GTexel/s
48.74 TFLOPS
FP16 (half)
-
48.74 TFLOPS
FP32 (float)
200.0 GFLOPS
761.5 GFLOPS
FP64 (double)
-
Board Design
320W
TDP
18W
700 W
Suggested PSU
200 W
1x HDMI 2.1
3x DisplayPort 1.4a
Outputs
1x DVI
1x HDMI 1.3a
1x 16-pin
Power Connectors
None
Graphics Processor
AD103
GPU Name
Caicos
AD103-300-A1
GPU Variant
Caimour
Ada Lovelace
Architecture
TeraScale 2
TSMC
Foundry
TSMC
5 nm
Process Size
40 nm
45.9 billion
Transistors
0.37 billion
379 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
