Radeon HD 7450 OEM vs Radeon X1550
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 7450 OEM and 256MB VRAM Radeon X1550 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon HD 7450 OEM 's Advantages
Released 5 years late
More VRAM (512GB vs 256GB)
160 additional rendering cores
Lower TDP (18W vs 27W)
Radeon X1550 's Advantages
Larger VRAM bandwidth (12.80GB/s vs 8.528GB/s)
Score
Graphics Card
Jan 2012
Release Date
Jan 2007
Southern Islands
Generation
Radeon R500 PCIe
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 1.0 x16
Clock Speeds
533 MHz
Memory Clock
400 MHz
Memory
512MB
Memory Size
256MB
GDDR3
Memory Type
DDR2
64bit
Memory Bus
128bit
8.528GB/s
Bandwidth
12.80GB/s
Render Config
2
Compute Units
-
160
Shading Units
-
8
TMUs
4
4
ROPs
4
8 KB (per CU)
L1 Cache
-
128 KB
L2 Cache
-
Theoretical Performance
2.500 GPixel/s
Pixel Rate
2.200 GPixel/s
5.000 GTexel/s
Texture Rate
2.200 GTexel/s
200.0 GFLOPS
FP32 (float)
-
Board Design
18W
TDP
27W
200 W
Suggested PSU
200 W
1x DVI
1x HDMI 1.3a
Outputs
1x DVI
1x VGA
1x S-Video
None
Power Connectors
None
Graphics Processor
Caicos
GPU Name
RV516
Caimour
GPU Variant
-
TeraScale 2
Architecture
R500
TSMC
Foundry
UMC
40 nm
Process Size
80 nm
0.37 billion
Transistors
0.107 billion
67 mm²
Die Size
100 mm²
Graphics Features
11.2 (11_0)
DirectX
9.0c (9_3)
4.4
OpenGL
2.1
1.2
OpenCL
N/A
N/A
Vulkan
N/A
5.0
Shader Model
3.0
