AMD Radeon Instinct MI6 vs AMD Radeon RX 6800 3456SP
GPU · Specs Compare
Graphics Card
Release Date
Dec 2016
Unknown
Generation
Radeon Instinct
Navi II
Type
Professional
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1120 MHz
1700 MHz
Boost Clock
1233 MHz
2250 MHz
Memory Clock
1750 MHz
2000 MHz
Memory
Memory Size
8GB
16GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
256bit
Bandwidth
224.0GB/s
512.0GB/s
Render Config
Compute Units
36
54
Shading Units
2304
3456
TMUs
144
216
ROPs
32
96
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
2 MB
4 MB
RT Cores
—
54
L3 Cache
—
128 MB
Theoretical Performance
Pixel Rate
39.46 GPixel/s
216.0 GPixel/s
Texture Rate
177.6 GTexel/s
486.0 GTexel/s
FP16 (half)
5.682 TFLOPS
31.10 TFLOPS
FP32 (float)
5.682 TFLOPS
15.55 TFLOPS
FP64 (double)
355.1 GFLOPS
972.0 GFLOPS
Graphics Processor
GPU Name
Ellesmere
Navi 21
GPU Variant
Ellesmere XT
Navi 21 ES(215-121000066)
Architecture
GCN 4.0
RDNA 2.0
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
7 nm
Transistors
5.7 billion
26.8 billion
Die Size
232 mm²
520 mm²
Board Design
TDP
150W
250W
Suggested PSU
450 W
600 W
Outputs
No outputs
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
Power Connectors
1x 6-pin
2x 8-pin
Graphics Features
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1
2.1
Vulkan
1.2
1.3
Shader Model
6.4
6.8
▲ Specs Compare
Data sourced from official specifications and benchmark tests.