AMD Radeon RX 6900 XTX vs AMD Radeon 8040S
GPU · Specs Compare
Graphics Card
Release Date
Unknown
Jan 2025
Generation
Navi II
Navi Mobile
Type
Desktop
Integrated
Bus Interface
PCIe 4.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
2075 MHz
1295 MHz
Boost Clock
2435 MHz
2800 MHz
Memory Clock
2250 MHz
System Shared
Memory
Memory Size
16GB
System Shared
Memory Type
GDDR6
System Shared
Memory Bus
256bit
System Shared
Bandwidth
576.0GB/s
System Dependent
Render Config
Compute Units
80
16
Shading Units
5120
1024
TMUs
320
64
ROPs
128
32
RT Cores
80
16
L1 Cache
128 KB per Array
—
L2 Cache
4 MB
8 MB
L3 Cache
128 MB
64 MB
Theoretical Performance
Pixel Rate
311.7 GPixel/s
89.60 GPixel/s
Texture Rate
779.2 GTexel/s
179.2 GTexel/s
FP16 (half)
49.87 TFLOPS
11.47 TFLOPS
FP32 (float)
24.93 TFLOPS
5.734 TFLOPS
FP64 (double)
1.558 TFLOPS
179.2 GFLOPS
Graphics Processor
GPU Name
Navi 21
Strix Halo
GPU Variant
Navi 21 XTXH(215-121000247)
—
Architecture
RDNA 2.0
RDNA 3.5
Foundry
TSMC
TSMC
Process Size
7 nm
4 nm
Transistors
26.8 billion
Unknown
Die Size
520 mm²
308 mm²
Board Design
TDP
330W
55W
Suggested PSU
700 W
—
Outputs
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
Portable Device Dependent
Power Connectors
2x 8-pin
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1
2.1
Vulkan
1.3
1.3
Shader Model
6.5
6.8
▲ Specs Compare
Data sourced from official specifications and benchmark tests.