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GPU Comparison
ATI Radeon HD 4580 vs AMD Radeon HD 7450 OEM
ATI Radeon HD 4580 vs AMD Radeon HD 7450 OEM
VS
ATI Radeon HD 4580
AMD Radeon HD 7450 OEM
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4580 and 512MB VRAM Radeon HD 7450 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI Radeon HD 4580 's Advantages
Larger VRAM bandwidth (22.18GB/s vs 8.528GB/s)
AMD Radeon HD 7450 OEM 's Advantages
40 additional rendering cores
Lower TDP (18W vs 65W)
Score
Benchmark
FP32 (float)
Radeon HD 4580
0.191 TFLOPS
Radeon HD 7450 OEM
+4%
0.2 TFLOPS
Radeon HD 4580
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
-
Base Clock
-
-
Boost Clock
-
693 MHz
Memory Clock
533 MHz
Memory
512MB
Memory Size
512MB
GDDR3
Memory Type
GDDR3
128bit
Memory Bus
64bit
22.18GB/s
Bandwidth
8.528GB/s
Render Config
-
SM Count
-
3
Compute Units
2
120
Shading Units
160
8
TMUs
8
4
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
-
L1 Cache
8 KB (per CU)
128 KB
L2 Cache
128 KB
Theoretical Performance
3.184 GPixel/s
Pixel Rate
2.500 GPixel/s
6.368 GTexel/s
Texture Rate
5.000 GTexel/s
-
FP16 (half)
-
191.0 GFLOPS
FP32 (float)
200.0 GFLOPS
-
FP64 (double)
-
Graphics Processor
RV635
GPU Name
Caicos
RV635 PRO (215-0682008)
GPU Variant
Caimour
TeraScale
Architecture
TeraScale 2
TSMC
Foundry
TSMC
55 nm
Process Size
40 nm
0.378 billion
Transistors
0.37 billion
135 mm²
Die Size
67 mm²
Board Design
65W
TDP
18W
250 W
Suggested PSU
200 W
2x DVI 1x S-Video
Outputs
1x DVI 1x HDMI 1.3a
None
Power Connectors
None
Graphics Features
10.1 (10_1)
DirectX
11.2 (11_0)
3.3
OpenGL
4.4
N/A
OpenCL
1.2
N/A
Vulkan
N/A
-
CUDA
-
4.1
Shader Model
5.0
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