Radeon RX 580G vs Radeon RX 8800 XT
We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 580G and 16GB VRAM Radeon RX 8800 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon RX 580G 's Advantages
Lower TDP (185W vs 220W)
Radeon RX 8800 XT 's Advantages
Boost Clock has increased by 83% (2430MHz vs 1330MHz)
More VRAM (16GB vs 8GB)
Larger VRAM bandwidth (624.1GB/s vs 256.0GB/s)
1792 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon RX 580G
6129
Radeon RX 8800 XT
+224%
19910
Graphics Card
Oct 2018
Release Date
Unknown
Polaris
Generation
Navi IV(RX 8000)
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
1257 MHz
Base Clock
1295 MHz
1330 MHz
Boost Clock
2430 MHz
2000 MHz
Memory Clock
2438 MHz
Memory
8GB
Memory Size
16GB
GDDR5
Memory Type
GDDR6
256bit
Memory Bus
256bit
256.0GB/s
Bandwidth
624.1GB/s
Render Config
36
Compute Units
64
2304
Shading Units
4096
144
TMUs
256
32
ROPs
96
-
RT Cores
64
16 KB (per CU)
L1 Cache
128 KB per Array
2 MB
L2 Cache
4 MB
-
L3 Cache
64 MB
Theoretical Performance
42.56 GPixel/s
Pixel Rate
233.3 GPixel/s
191.5 GTexel/s
Texture Rate
622.1 GTexel/s
6.129 TFLOPS
FP16 (half)
39.81 TFLOPS
6.129 TFLOPS
FP32 (float)
19.91 TFLOPS
383.0 GFLOPS
FP64 (double)
622.1 GFLOPS
Board Design
185W
TDP
220W
450 W
Suggested PSU
550 W
1x HDMI 2.0b
3x DisplayPort 1.4a
Outputs
1x HDMI 2.1a3x DisplayPort 2.1
1x 8-pin
Power Connectors
2x 8-pin
Graphics Processor
Polaris 20
GPU Name
Navi 48
Polaris 20 XTX
(215-0910038)
GPU Variant
Navi 48 XT
GCN 4.0
Architecture
RDNA 4.0
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
4 nm
5.7 billion
Transistors
Unknown
232 mm²
Die Size
Unknown
Graphics Features
12 (12_0)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
2.1
OpenCL
2.2
1.2
Vulkan
1.3
6.4
Shader Model
6.8
