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GPU Comparison
ATI Radeon HD 4580 vs AMD Radeon R9 270
ATI Radeon HD 4580 vs AMD Radeon R9 270
VS
ATI Radeon HD 4580
AMD Radeon R9 270
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4580 and 2GB VRAM Radeon R9 270 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI Radeon HD 4580 's Advantages
Lower TDP (65W vs 150W)
AMD Radeon R9 270 's Advantages
Released 2 years late
Boost Clock925MHz
Larger VRAM bandwidth (179.2GB/s vs 22.18GB/s)
1160 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 4580
0.191 TFLOPS
Radeon R9 270
+1139%
2.368 TFLOPS
Radeon HD 4580
VS
Radeon R9 270
Graphics Card
Nov 2011
Release Date
Nov 2013
Radeon R700
Generation
Volcanic Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
900 MHz
-
Boost Clock
925 MHz
693 MHz
Memory Clock
1400 MHz
Memory
512MB
Memory Size
2GB
GDDR3
Memory Type
GDDR5
128bit
Memory Bus
256bit
22.18GB/s
Bandwidth
179.2GB/s
Render Config
-
SM Count
-
3
Compute Units
20
120
Shading Units
1280
8
TMUs
80
4
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
-
L1 Cache
16 KB (per CU)
128 KB
L2 Cache
512 KB
Theoretical Performance
3.184 GPixel/s
Pixel Rate
29.60 GPixel/s
6.368 GTexel/s
Texture Rate
74.00 GTexel/s
-
FP16 (half)
-
191.0 GFLOPS
FP32 (float)
2.368 TFLOPS
-
FP64 (double)
148.0 GFLOPS
Graphics Processor
RV635
GPU Name
Curacao
RV635 PRO (215-0682008)
GPU Variant
Curacao PRO (215-0848000)
TeraScale
Architecture
GCN 1.0
TSMC
Foundry
TSMC
55 nm
Process Size
28 nm
0.378 billion
Transistors
2.8 billion
135 mm²
Die Size
212 mm²
Board Design
65W
TDP
150W
250 W
Suggested PSU
450 W
2x DVI 1x S-Video
Outputs
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
None
Power Connectors
1x 6-pin
Graphics Features
10.1 (10_1)
DirectX
12 (11_1)
3.3
OpenGL
4.6
N/A
OpenCL
1.2
N/A
Vulkan
1.2
-
CUDA
-
4.1
Shader Model
5.1
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