AMD Radeon RX 6600 LE vs ATI Radeon HD 4580
We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 LE 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 RX 6600 LE 's Advantages
Released 12 years and 1 months late
Boost Clock2495MHz
More VRAM (8GB vs 512GB)
Larger VRAM bandwidth (224.0GB/s vs 22.18GB/s)
1672 additional rendering cores
ATI Radeon HD 4580 's Advantages
Lower TDP (65W vs 132W)
Score
Benchmark
FP32 (float)
Radeon RX 6600 LE
+4581%
8.942 TFLOPS
Radeon HD 4580
0.191 TFLOPS
Graphics Card
Dec 2023
Release Date
Nov 2011
Navi II
Generation
Radeon R700
Desktop
Type
Desktop
PCIe 4.0 x8
Bus Interface
PCIe 2.0 x16
Clock Speeds
1626 MHz
Base Clock
-
2495 MHz
Boost Clock
-
1750 MHz
Memory Clock
693 MHz
Memory
8GB
Memory Size
512MB
GDDR6
Memory Type
GDDR3
128bit
Memory Bus
128bit
224.0GB/s
Bandwidth
22.18GB/s
Render Config
28
Compute Units
3
-
-
-
1792
Shading Units
120
112
TMUs
8
64
ROPs
4
-
-
-
28
RT Cores
-
128 KB per Array
L1 Cache
-
2 MB
L2 Cache
128 KB
32 MB
L3 Cache
-
Theoretical Performance
159.7 GPixel/s
Pixel Rate
3.184 GPixel/s
279.4 GTexel/s
Texture Rate
6.368 GTexel/s
17.88 TFLOPS
FP16 (half)
-
8.942 TFLOPS
FP32 (float)
191.0 GFLOPS
558.9 GFLOPS
FP64 (double)
-
Board Design
132W
TDP
65W
300 W
Suggested PSU
250 W
1x HDMI 2.1
3x DisplayPort 1.4a
Outputs
2x DVI
1x S-Video
1x 8-pin
Power Connectors
None
Graphics Processor
Navi 23
GPU Name
RV635
Navi 23 XL
(215-130000016)
GPU Variant
RV635 PRO
(215-0682008)
RDNA 2.0
Architecture
TeraScale
TSMC
Foundry
TSMC
7 nm
Process Size
55 nm
11.06 billion
Transistors
0.378 billion
237 mm²
Die Size
135 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
2.1
OpenCL
N/A
1.3
Vulkan
N/A
-
-
-
6.7
Shader Model
4.1
