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GPU Comparison
AMD Radeon R7 250X vs ATI Radeon HD 4580
AMD Radeon R7 250X vs ATI Radeon HD 4580
VS
AMD Radeon R7 250X
ATI Radeon HD 4580
We compared two Desktop platform GPUs: 1024MB VRAM Radeon R7 250X and 512MB VRAM Radeon HD 4580 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R7 250X 's Advantages
Released 2 years and 3 months late
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (72.00GB/s vs 22.18GB/s)
520 additional rendering cores
ATI Radeon HD 4580 's Advantages
Lower TDP (65W vs 80W)
Score
Benchmark
FP32 (float)
Radeon R7 250X
+536%
1.216 TFLOPS
Radeon HD 4580
0.191 TFLOPS
Radeon R7 250X
VS
Radeon HD 4580
Graphics Card
Feb 2014
Release Date
Nov 2011
Volcanic Islands
Generation
Radeon R700
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1125 MHz
Memory Clock
693 MHz
Memory
1024MB
Memory Size
512MB
GDDR5
Memory Type
GDDR3
128bit
Memory Bus
128bit
72.00GB/s
Bandwidth
22.18GB/s
Render Config
-
SM Count
-
10
Compute Units
3
640
Shading Units
120
40
TMUs
8
16
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
-
256 KB
L2 Cache
128 KB
Theoretical Performance
15.20 GPixel/s
Pixel Rate
3.184 GPixel/s
38.00 GTexel/s
Texture Rate
6.368 GTexel/s
-
FP16 (half)
-
1216 GFLOPS
FP32 (float)
191.0 GFLOPS
76.00 GFLOPS
FP64 (double)
-
Graphics Processor
Cape Verde
GPU Name
RV635
Cape Verde XT
GPU Variant
RV635 PRO (215-0682008)
GCN 1.0
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
1.5 billion
Transistors
0.378 billion
123 mm²
Die Size
135 mm²
Board Design
80W
TDP
65W
250 W
Suggested PSU
250 W
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
2x DVI 1x S-Video
1x 6-pin
Power Connectors
None
Graphics Features
12 (11_1)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
1.2
OpenCL
N/A
1.2
Vulkan
N/A
-
CUDA
-
5.1
Shader Model
4.1
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