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GPU Comparison
AMD Radeon R7 340 OEM vs ATI Radeon HD 4580
AMD Radeon R7 340 OEM vs ATI Radeon HD 4580
VS
AMD Radeon R7 340 OEM
ATI Radeon HD 4580
We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 340 OEM 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 340 OEM 's Advantages
Released 3 years and 6 months late
Boost Clock780MHz
Larger VRAM bandwidth (64.00GB/s vs 22.18GB/s)
264 additional rendering cores
Lower TDP (50W vs 65W)
Score
Benchmark
FP32 (float)
Radeon R7 340 OEM
+213%
0.599 TFLOPS
Radeon HD 4580
0.191 TFLOPS
Radeon R7 340 OEM
VS
Radeon HD 4580
Graphics Card
May 2015
Release Date
Nov 2011
Pirate Islands
Generation
Radeon R700
Desktop
Type
Desktop
PCIe 3.0 x8
Bus Interface
PCIe 2.0 x16
Clock Speeds
730 MHz
Base Clock
-
780 MHz
Boost Clock
-
1000 MHz
Memory Clock
693 MHz
Memory
2GB
Memory Size
512MB
GDDR5
Memory Type
GDDR3
128bit
Memory Bus
128bit
64.00GB/s
Bandwidth
22.18GB/s
Render Config
-
SM Count
-
6
Compute Units
3
384
Shading Units
120
24
TMUs
8
8
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
-
256 KB
L2 Cache
128 KB
Theoretical Performance
6.240 GPixel/s
Pixel Rate
3.184 GPixel/s
18.72 GTexel/s
Texture Rate
6.368 GTexel/s
-
FP16 (half)
-
599.0 GFLOPS
FP32 (float)
191.0 GFLOPS
37.44 GFLOPS
FP64 (double)
-
Graphics Processor
Oland
GPU Name
RV635
-
GPU Variant
RV635 PRO (215-0682008)
GCN 1.0
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
0.95 billion
Transistors
0.378 billion
77 mm²
Die Size
135 mm²
Board Design
50W
TDP
65W
250 W
Suggested PSU
250 W
1x DVI 1x HDMI 1.4a 1x VGA
Outputs
2x DVI 1x S-Video
None
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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9
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10
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