AMD Radeon Pro SSG vs AMD Radeon RX 6800
GPU · Specs Compare
Graphics Card
Release Date
Aug 2017
Oct 2020
Generation
Radeon Pro
Navi II
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1440 MHz
1700 MHz
Boost Clock
1500 MHz
2105 MHz
Memory Clock
945 MHz
2000 MHz
Memory
Memory Size
16GB
16GB
Memory Type
HBM2
GDDR6
Memory Bus
2048bit
256bit
Bandwidth
483.8GB/s
512.0GB/s
Render Config
Compute Units
64
60
Shading Units
4096
3840
TMUs
256
240
ROPs
64
96
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
4 MB
4 MB
RT Cores
—
60
L3 Cache
—
128 MB
Theoretical Performance
Pixel Rate
96.00 GPixel/s
202.1 GPixel/s
Texture Rate
384.0 GTexel/s
505.2 GTexel/s
FP16 (half)
24.58 TFLOPS
32.33 TFLOPS
FP32 (float)
12.29 TFLOPS
16.17 TFLOPS
FP64 (double)
768.0 GFLOPS
1010 GFLOPS
Graphics Processor
GPU Name
Vega 10
Navi 21
GPU Variant
Vega 10 XT GL(215-0894124)
Navi 21 XL(215-121000187)
Architecture
GCN 5.0
RDNA 2.0
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
7 nm
Transistors
12.5 billion
26.8 billion
Die Size
495 mm²
520 mm²
Board Design
TDP
260W
250W
Suggested PSU
600 W
600 W
Outputs
6x mini-DisplayPort 1.4a
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
Power Connectors
1x 6-pin + 1x 8-pin
2x 8-pin
Graphics Features
DirectX
12 (12_1)
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
▲ Specs Compare
Data sourced from official specifications and benchmark tests.