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GPU Comparison
ATI Radeon HD 4580 vs AMD Radeon R9 390 X2
ATI Radeon HD 4580 vs AMD Radeon R9 390 X2
VS
ATI Radeon HD 4580
AMD Radeon R9 390 X2
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4580 and 8GB VRAM Radeon R9 390 X2 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 580W)
AMD Radeon R9 390 X2 's Advantages
Released 3 years and 10 months late
Larger VRAM bandwidth (345.6GB/s vs 22.18GB/s)
2440 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 4580
0.191 TFLOPS
Radeon R9 390 X2
+2580%
5.12 TFLOPS
Radeon HD 4580
VS
Radeon R9 390 X2
Graphics Card
Nov 2011
Release Date
Sep 2015
Radeon R700
Generation
Pirate Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
693 MHz
Memory Clock
1350 MHz
Memory
512MB
Memory Size
8GB
GDDR3
Memory Type
GDDR5
128bit
Memory Bus
512bit
22.18GB/s
Bandwidth
345.6GB/s
Render Config
-
SM Count
-
3
Compute Units
40
120
Shading Units
2560
8
TMUs
160
4
ROPs
64
-
Tensor Cores
-
-
RT Cores
-
-
L1 Cache
16 KB (per CU)
128 KB
L2 Cache
1024 KB
Theoretical Performance
3.184 GPixel/s
Pixel Rate
64.00 GPixel/s
6.368 GTexel/s
Texture Rate
160.0 GTexel/s
-
FP16 (half)
-
191.0 GFLOPS
FP32 (float)
5.120 TFLOPS
-
FP64 (double)
640.0 GFLOPS
Graphics Processor
RV635
GPU Name
Grenada
RV635 PRO (215-0682008)
GPU Variant
Grenada PRO (215-0880030)
TeraScale
Architecture
GCN 2.0
TSMC
Foundry
TSMC
55 nm
Process Size
28 nm
0.378 billion
Transistors
6.2 billion
135 mm²
Die Size
438 mm²
Board Design
65W
TDP
580W
250 W
Suggested PSU
950 W
2x DVI 1x S-Video
Outputs
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
None
Power Connectors
4x 8-pin
Graphics Features
10.1 (10_1)
DirectX
12 (12_0)
3.3
OpenGL
4.6
N/A
OpenCL
2.0
N/A
Vulkan
1.2
-
CUDA
-
4.1
Shader Model
6.3
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