Radeon HD 7450 OEM vs Radeon RX 580 2048SP
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 7450 OEM and 4GB VRAM Radeon RX 580 2048SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon HD 7450 OEM 's Advantages
Lower TDP (18W vs 150W)
Radeon RX 580 2048SP 's Advantages
Released 6 years and 9 months late
Boost Clock1284MHz
More VRAM (4GB vs 512GB)
Larger VRAM bandwidth (224.0GB/s vs 8.528GB/s)
1888 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 7450 OEM
200
Radeon RX 580 2048SP
+2529%
5259
Graphics Card
Jan 2012
Release Date
Oct 2018
Southern Islands
Generation
Polaris
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
1168 MHz
-
Boost Clock
1284 MHz
533 MHz
Memory Clock
1750 MHz
Memory
512MB
Memory Size
4GB
GDDR3
Memory Type
GDDR5
64bit
Memory Bus
256bit
8.528GB/s
Bandwidth
224.0GB/s
Render Config
2
Compute Units
32
160
Shading Units
2048
8
TMUs
128
4
ROPs
32
8 KB (per CU)
L1 Cache
16 KB (per CU)
128 KB
L2 Cache
2 MB
Theoretical Performance
2.500 GPixel/s
Pixel Rate
41.09 GPixel/s
5.000 GTexel/s
Texture Rate
164.4 GTexel/s
-
FP16 (half)
5.259 TFLOPS
200.0 GFLOPS
FP32 (float)
5.259 TFLOPS
-
FP64 (double)
328.7 GFLOPS
Board Design
18W
TDP
150W
200 W
Suggested PSU
450 W
1x DVI
1x HDMI 1.3a
Outputs
1x DVI
1x HDMI 2.0b
3x DisplayPort 1.4a
None
Power Connectors
1x 8-pin
Graphics Processor
Caicos
GPU Name
Polaris 20
Caimour
GPU Variant
Polaris 20 XL
(215-0910052)
TeraScale 2
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
40 nm
Process Size
14 nm
0.37 billion
Transistors
5.7 billion
67 mm²
Die Size
232 mm²
Graphics Features
11.2 (11_0)
DirectX
12 (12_0)
4.4
OpenGL
4.6
1.2
OpenCL
2.1
N/A
Vulkan
1.2
5.0
Shader Model
6.4
