GPU Comparison
RADEON
AMD Radeon Pro Vega II
CORE STATE
Vega 20
VRAM
32 GB
CLOCK SPEED
1720 MHz
TDP
475 W
BUS WIDTH
4096 bit
ARCHITECTURE
GCN 5.1
PROCESS
7 nm
LAUNCH DATE
2019
VS
RADEON
Radeon RX 6800
CORE STATE
Navi 21
VRAM
16 GB
CLOCK SPEED
2105 MHz
TDP
250 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 Vega II
RX 6800
Core Specs
Shading Units
4,096
3,840
-6.3%
Shaders
4,096
3,840
-6.3%
TMUs
256
240
-6.3%
ROPs
64
96
+50.0%
Compute Units
64
60
-6.3%
Clocks
Base Clock
1574 MHz
1700 MHz
Boost Clock
1720 MHz
2105 MHz
Game Clock
—
1815 MHz
Memory Clock
806 MHz
1612 Mbps effective
2000 MHz
16 Gbps effective
Memory
Memory Size
32 GB
16 GB
VRAM (MB)
32,768
16,384
-50.0%
Memory Type
HBM2
GDDR6
Memory Bus
4096 bit
256 bit
Bandwidth
825.3 GB/s
512.0 GB/s
Cache
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
4 MB
4 MB
L3 Cache
—
128 MB
L0 Cache
—
32 KB per WGP
Performance
Pixel Rate
110.1 GPixel/s
202.1 GPixel/s
Texture Rate
440.3 GTexel/s
505.2 GTexel/s
FP32 (TFLOPS)
14.09 TFLOPS
16.17 TFLOPS
FP64 (TFLOPS)
7.045 TFLOPS (1:2)
1,010.4 GFLOPS (1:16)
FP16 (TFLOPS)
28.18 TFLOPS (2:1)
32.33 TFLOPS (2:1)
AI/RT
RT Cores
—
60
Power
TDP
475 W
250 W
TDP (W)
475
250
-47.4%
Suggested PSU
850 W
600 W
Power Connectors
—
2x 8-pin
Architecture
Architecture
GCN 5.1
RDNA 2.0
GPU Name
Vega 20
Navi 21
Generation
Radeon Pro Mac
(Vega Series)
Navi II
(RX 6000)
Process Size
7 nm
7 nm
Transistors
13,230 million
26,800 million
Die Size
331 mm²
520 mm²
Foundry
TSMC
TSMC
Density
40.0M / mm²
51.5M / mm²
API Support
DirectX
12 (12_1)
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
Quad-slot
Dual-slot
Length
—
267 mm
10.5 inches
Height
—
120 mm
4.7 inches
Outputs
1x HDMI 2.0b4x Thunderbolt
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
Bus Interface
Apple MPX
PCIe 4.0 x16
Other
Launch Price
2,199 USD
579 USD
Production
End-of-life
End-of-life
Predecessor
—
Navi
Successor
—
Navi III