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GPU Comparison
ATI Radeon HD 4450 vs AMD Radeon HD 7450 OEM
ATI Radeon HD 4450 vs AMD Radeon HD 7450 OEM
VS
ATI Radeon HD 4450
AMD Radeon HD 7450 OEM
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4450 and 512MB VRAM Radeon HD 7450 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 7450 OEM 's Advantages
Larger VRAM bandwidth (8.528GB/s vs 6.400GB/s)
80 additional rendering cores
Lower TDP (18W vs 25W)
Score
Benchmark
FP32 (float)
Radeon HD 4450
0.096 TFLOPS
Radeon HD 7450 OEM
+108%
0.2 TFLOPS
Radeon HD 4450
VS
Radeon HD 7450 OEM
Graphics Card
Nov 2011
Release Date
Jan 2012
Radeon R700
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
400 MHz
Memory Clock
533 MHz
Memory
512MB
Memory Size
512MB
DDR2
Memory Type
GDDR3
64bit
Memory Bus
64bit
6.400GB/s
Bandwidth
8.528GB/s
Render Config
1
Compute Units
2
-
-
-
80
Shading Units
160
8
TMUs
8
4
ROPs
4
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
64 KB
L2 Cache
128 KB
-
-
-
Theoretical Performance
2.400 GPixel/s
Pixel Rate
2.500 GPixel/s
4.800 GTexel/s
Texture Rate
5.000 GTexel/s
-
-
-
96.00 GFLOPS
FP32 (float)
200.0 GFLOPS
-
-
-
Board Design
25W
TDP
18W
200 W
Suggested PSU
200 W
1x DVI 1x HDMI 1.3a 1x DisplayPort 1.0
Outputs
1x DVI 1x HDMI 1.3a
None
Power Connectors
None
Graphics Processor
RV710
GPU Name
Caicos
RV710 (215-0725016)
GPU Variant
Caimour
TeraScale
Architecture
TeraScale 2
TSMC
Foundry
TSMC
55 nm
Process Size
40 nm
0.242 billion
Transistors
0.37 billion
73 mm²
Die Size
67 mm²
Graphics Features
10.1 (10_1)
DirectX
11.2 (11_0)
3.3
OpenGL
4.4
1.1
OpenCL
1.2
N/A
Vulkan
N/A
-
-
-
4.1
Shader Model
5.0
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