AMD Radeon RX 6900 XT vs AMD Radeon Graphics 448SP
GPU · Specs Compare
Graphics Card
Release Date
Oct 2020
Jan 2021
Generation
Navi II
Lucienne
Type
Desktop
Integrated
Bus Interface
PCIe 4.0 x16
IGP
Clock Speeds
Base Clock
1825 MHz
300 MHz
Boost Clock
2250 MHz
1800 MHz
Memory Clock
2000 MHz
System Shared
Memory
Memory Size
16GB
System Shared
Memory Type
GDDR6
System Shared
Memory Bus
256bit
System Shared
Bandwidth
512.0GB/s
System Dependent
Render Config
Compute Units
80
7
Shading Units
5120
448
TMUs
320
32
ROPs
128
8
RT Cores
80
—
L1 Cache
128 KB per Array
—
L2 Cache
4 MB
—
L3 Cache
128 MB
—
Theoretical Performance
Pixel Rate
288.0 GPixel/s
14.40 GPixel/s
Texture Rate
720.0 GTexel/s
57.60 GTexel/s
FP16 (half)
46.08 TFLOPS
3.226 TFLOPS
FP32 (float)
23.04 TFLOPS
1.613 TFLOPS
FP64 (double)
1440.0 GFLOPS
100.8 GFLOPS
Graphics Processor
GPU Name
Navi 21
Lucienne
GPU Variant
Navi 21 XTX(215-121000167)
—
Architecture
RDNA 2.0
GCN 5.1
Foundry
TSMC
TSMC
Process Size
7 nm
7 nm
Transistors
26.8 billion
9.8 billion
Die Size
520 mm²
156 mm²
Board Design
TDP
300W
25W
Suggested PSU
700 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
1.4
1.2
Shader Model
6.8
6.4
Benchmark
3DMark Time Spy
20,764
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.