GPU Comparison
RADEON
AMD Radeon Pro 580
CORE STATE
Ellesmere
VRAM
8 GB
CLOCK SPEED
1200 MHz
TDP
185 W
BUS WIDTH
256 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2017
VS
RADEON
Radeon RX 6800 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
geekbench_metal
geekbench_opencl
geekbench_vulkan
3dmark_3dmark_steel_nomad_dx12
passmark_directx_10
passmark_directx_11
passmark_directx_12
passmark_directx_9
passmark_g2d
passmark_g3d
passmark_gpu_compute
DETAILED SPECIFICATIONS
SPECIFICATION
Pro 580
RX 6800 XT
Core Specs
Shading Units
2,304
4,608
+100.0%
Shaders
2,304
4,608
+100.0%
TMUs
144
288
+100.0%
ROPs
32
128
+300.0%
Compute Units
36
72
+100.0%
Clocks
Base Clock
1100 MHz
1825 MHz
Boost Clock
1200 MHz
2250 MHz
Game Clock
—
2015 MHz
Memory Clock
1695 MHz
6.8 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
217.0 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
38.40 GPixel/s
288.0 GPixel/s
Texture Rate
172.8 GTexel/s
648.0 GTexel/s
FP32 (TFLOPS)
5.530 TFLOPS
20.74 TFLOPS
FP64 (TFLOPS)
345.6 GFLOPS (1:16)
1,296.0 GFLOPS (1:16)
FP16 (TFLOPS)
5.530 TFLOPS (1:1)
41.47 TFLOPS (2:1)
AI/RT
RT Cores
—
72
Power
TDP
185 W
300 W
TDP (W)
185
300
+62.2%
Suggested PSU
—
700 W
Power Connectors
None
2x 8-pin
Architecture
Architecture
GCN 4.0
RDNA 2.0
GPU Name
Ellesmere
Navi 21
Generation
Radeon Pro Mac
(500 Series)
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
IGP
Dual-slot
Length
—
267 mm
10.5 inches
Height
—
120 mm
4.7 inches
Outputs
Portable Device Dependent
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Other
Launch Price
—
649 USD
Production
End-of-life
End-of-life
Predecessor
—
Navi
Successor
—
Navi III