AMD Radeon Sky 900 vs AMD Radeon RX 6900 XT
GPU Specs Compare
Graphics Card
Release Date
Mar 2013
Oct 2020
Generation
Radeon Sky
Navi II
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
825 MHz
1825 MHz
Boost Clock
950 MHz
2250 MHz
Memory Clock
1250 MHz
2000 MHz
Memory
Memory Size
3GB
16GB
Memory Type
GDDR5
GDDR6
Memory Bus
384bit
256bit
Bandwidth
240.0GB/s
512.0GB/s
Render Config
Compute Units
28
80
Shading Units
1792
5120
TMUs
112
320
ROPs
32
128
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
768 KB
4 MB
RT Cores
-
80
L3 Cache
-
128 MB
Theoretical Performance
Pixel Rate
30.40 GPixel/s
288.0 GPixel/s
Texture Rate
106.4 GTexel/s
720.0 GTexel/s
FP32 (float)
3.405 TFLOPS
23.04 TFLOPS
FP64 (double)
851.2 GFLOPS
1440.0 GFLOPS
FP16 (half)
-
46.08 TFLOPS
Graphics Processor
GPU Name
Tahiti
Navi 21
GPU Variant
Orthrus
Navi 21 XTX(215-121000167)
Architecture
GCN 1.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
7 nm
Transistors
4.313 billion
26.8 billion
Die Size
352 mm²
520 mm²
Board Design
TDP
300W
300W
Suggested PSU
700 W
700 W
Outputs
1x DVI1x mini-DisplayPort 1.2
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
Power Connectors
2x 8-pin
2x 8-pin
Graphics Features
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
1.2
2.1
Vulkan
1.2
1.4
Shader Model
5.1
6.8
📊 Benchmark
3DMark Time Spy
-
20,764