AMD Radeon RX 6800 3456SP vs NVIDIA RTX 4000 SFF Ada Generation
GPU · Specs Compare
Graphics Card
Release Date
Unknown
Nov 2018
Generation
Navi II
Radeon Instinct
Type
Desktop
Professional
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1700 MHz
1200 MHz
Boost Clock
2250 MHz
1746 MHz
Memory Clock
2000 MHz
1000 MHz
Memory
Memory Size
16GB
16GB
Memory Type
GDDR6
HBM2
Memory Bus
256bit
4096bit
Bandwidth
512.0GB/s
1.02TB/s
Render Config
Compute Units
54
60
Shading Units
3456
3840
TMUs
216
240
ROPs
96
64
RT Cores
54
48
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
4 MB
4 MB
L3 Cache
128 MB
—
SM Count
—
48
Tensor Cores
—
192
Theoretical Performance
Pixel Rate
216.0 GPixel/s
111.7 GPixel/s
Texture Rate
486.0 GTexel/s
419.0 GTexel/s
FP16 (half)
31.10 TFLOPS
26.82 TFLOPS
FP32 (float)
15.55 TFLOPS
13.41 TFLOPS
FP64 (double)
972.0 GFLOPS
6.705 TFLOPS
Graphics Processor
GPU Name
Navi 21
Vega 20
GPU Variant
Navi 21 ES(215-121000066)
Vega 20 GLXT
Architecture
RDNA 2.0
GCN 5.1
Foundry
TSMC
TSMC
Process Size
7 nm
7 nm
Transistors
26.8 billion
13.23 billion
Die Size
520 mm²
331 mm²
Board Design
TDP
250W
300W
Suggested PSU
600 W
700 W
Outputs
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
1x mini-DisplayPort 1.4a
Power Connectors
2x 8-pin
2x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
2.1
2.1
Vulkan
1.3
1.3
Shader Model
6.8
6.7
CUDA
—
8.9
▲ Specs Compare
Data sourced from official specifications and benchmark tests.