AMD Radeon RX 6800 3456SP vs AMD Radeon Pro Vega 64
GPU · Specs Compare
Graphics Card
Release Date
Unknown
Jun 2017
Generation
Navi II
Radeon Pro Mac
Type
Desktop
Mobile
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1700 MHz
1250 MHz
Boost Clock
2250 MHz
1350 MHz
Memory Clock
2000 MHz
786 MHz
Memory
Memory Size
16GB
16GB
Memory Type
GDDR6
HBM2
Memory Bus
256bit
2048bit
Bandwidth
512.0GB/s
402.4GB/s
Render Config
Compute Units
54
64
Shading Units
3456
4096
TMUs
216
256
ROPs
96
64
RT Cores
54
—
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
4 MB
4 MB
L3 Cache
128 MB
—
Theoretical Performance
Pixel Rate
216.0 GPixel/s
86.40 GPixel/s
Texture Rate
486.0 GTexel/s
345.6 GTexel/s
FP16 (half)
31.10 TFLOPS
22.12 TFLOPS
FP32 (float)
15.55 TFLOPS
11.06 TFLOPS
FP64 (double)
972.0 GFLOPS
691.2 GFLOPS
Graphics Processor
GPU Name
Navi 21
Vega 10
GPU Variant
Navi 21 ES(215-121000066)
Vega 10 XT(215-0894200)
Architecture
RDNA 2.0
GCN 5.0
Foundry
TSMC
GlobalFoundries
Process Size
7 nm
14 nm
Transistors
26.8 billion
12.5 billion
Die Size
520 mm²
495 mm²
Board Design
TDP
250W
250W
Suggested PSU
600 W
—
Outputs
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
No outputs
Power Connectors
2x 8-pin
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
2.1
2.1
Vulkan
1.3
1.2
Shader Model
6.8
6.4
▲ Specs Compare
Data sourced from official specifications and benchmark tests.