AMD Radeon RX 580 OEM vs AMD Radeon RX 6800
GPU Specs Compare
Graphics Card
Release Date
Jun 2016
Oct 2020
Generation
Polaris
Navi II
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1120 MHz
1700 MHz
Boost Clock
1266 MHz
2105 MHz
Memory Clock
2000 MHz
2000 MHz
Memory
Memory Size
8GB
16GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
256bit
Bandwidth
256.0GB/s
512.0GB/s
Render Config
Compute Units
36
60
Shading Units
2304
3840
TMUs
144
240
ROPs
32
96
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
2 MB
4 MB
RT Cores
-
60
L3 Cache
-
128 MB
Theoretical Performance
Pixel Rate
40.51 GPixel/s
202.1 GPixel/s
Texture Rate
182.3 GTexel/s
505.2 GTexel/s
FP16 (half)
5.834 TFLOPS
32.33 TFLOPS
FP32 (float)
5.834 TFLOPS
16.17 TFLOPS
FP64 (double)
364.6 GFLOPS
1010 GFLOPS
Graphics Processor
GPU Name
Ellesmere
Navi 21
GPU Variant
Polaris 10 XT(215-0876184)
Navi 21 XL(215-121000187)
Architecture
GCN 4.0
RDNA 2.0
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
7 nm
Transistors
5.7 billion
26.8 billion
Die Size
232 mm²
520 mm²
Board Design
TDP
150W
250W
Suggested PSU
450 W
600 W
Outputs
1x HDMI 2.0b3x DisplayPort 1.4a
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
Power Connectors
1x 6-pin
2x 8-pin
Graphics Features
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1
2.1
Vulkan
1.2
1.3
Shader Model
6.4
6.5
📊 Benchmark
3DMark Time Spy
-
16,182
3DMark Time Spy Extreme
-
7,771
3DMark Speed Way
-
3,062