GPU Comparison
RADEON
AMD Radeon RX 580
CORE STATE
Polaris 20
VRAM
8 GB
CLOCK SPEED
1340 MHz
TDP
185 W
BUS WIDTH
256 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2017
VS
RADEON
Radeon RX 6900 XT
CORE STATE
Navi 21
VRAM
16 GB
CLOCK SPEED
2250 MHz
TDP
300 W
BUS WIDTH
256 bit
ARCHITECTURE
RDNA 2.0
PROCESS
7 nm
LAUNCH DATE
2020
PERFORMANCE BENCHMARKS
3dmark_3dmark_steel_nomad_dx12
geekbench_metal
geekbench_opencl
geekbench_vulkan
passmark_directx_10
passmark_directx_11
passmark_directx_12
passmark_directx_9
passmark_g2d
passmark_g3d
passmark_gpu_compute
DETAILED SPECIFICATIONS
SPECIFICATION
RX 580
RX 6900 XT
Core Specs
Shading Units
2,304
5,120
+122.2%
Shaders
2,304
5,120
+122.2%
TMUs
144
320
+122.2%
ROPs
32
128
+300.0%
Compute Units
36
80
+122.2%
Clocks
Base Clock
1257 MHz
1825 MHz
Boost Clock
1340 MHz
2250 MHz
Game Clock
—
2015 MHz
Memory Clock
2000 MHz
8 Gbps effective
2000 MHz
16 Gbps effective
Memory
Memory Size
8 GB
16 GB
VRAM (MB)
8,192
16,384
+100.0%
Memory Type
GDDR5
GDDR6
Memory Bus
256 bit
256 bit
Bandwidth
256.0 GB/s
512.0 GB/s
Cache
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
2 MB
4 MB
L3 Cache
—
128 MB
L0 Cache
—
32 KB per WGP
Performance
Pixel Rate
42.88 GPixel/s
288.0 GPixel/s
Texture Rate
193.0 GTexel/s
720.0 GTexel/s
FP32 (TFLOPS)
6.175 TFLOPS
23.04 TFLOPS
FP64 (TFLOPS)
385.9 GFLOPS (1:16)
1,440.0 GFLOPS (1:16)
FP16 (TFLOPS)
6.175 TFLOPS (1:1)
46.08 TFLOPS (2:1)
AI/RT
RT Cores
—
80
Power
TDP
185 W
300 W
TDP (W)
185
300
+62.2%
Suggested PSU
450 W
700 W
Power Connectors
1x 8-pin
2x 8-pin
Architecture
Architecture
GCN 4.0
RDNA 2.0
GPU Name
Polaris 20
Navi 21
Generation
Polaris
(RX 500)
Navi II
(RX 6000)
Process Size
14 nm
7 nm
Transistors
5,700 million
26,800 million
Die Size
232 mm²
520 mm²
Foundry
GlobalFoundries
TSMC
Density
24.6M / mm²
51.5M / mm²
API Support
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.3
1.4
OpenCL
2.1
2.1
Shader Model
6.7
6.8
Physical
Slot Width
Dual-slot
Triple-slot
Length
241 mm
9.5 inches
267 mm
10.5 inches
Height
—
120 mm
4.7 inches
Outputs
1x HDMI 2.0b3x DisplayPort 1.4a
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Other
Launch Price
229 USD
999 USD
Production
End-of-life
End-of-life
Predecessor
Arctic Islands
Navi
Successor
Vega
Navi III