AMD Radeon R9 290X2 vs AMD Radeon RX 6600S
GPU · Specs Compare
Graphics Card
Release Date
Jun 2014
Jan 2022
Generation
Volcanic Islands
Mobility Radeon
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x8
Clock Speeds
Memory Clock
1350 MHz
1750 MHz
Base Clock
—
1700 MHz
Boost Clock
—
2000 MHz
Memory
Memory Size
4GB
4GB
Memory Type
GDDR5
GDDR6
Memory Bus
512bit
128bit
Bandwidth
345.6GB/s
224.0GB/s
Render Config
Compute Units
44
28
Shading Units
2816
1792
TMUs
176
112
ROPs
64
64
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
1024 KB
2 MB
RT Cores
—
28
L3 Cache
—
32 MB
Theoretical Performance
Pixel Rate
64.00 GPixel/s
128.0 GPixel/s
Texture Rate
176.0 GTexel/s
224.0 GTexel/s
FP32 (float)
5.632 TFLOPS
7.168 TFLOPS
FP64 (double)
704.0 GFLOPS
448.0 GFLOPS
FP16 (half)
—
14.34 TFLOPS
Graphics Processor
GPU Name
Hawaii
Navi 23
GPU Variant
Hawaii XT(215-0852000)
—
Architecture
GCN 2.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
7 nm
Transistors
6.2 billion
11.06 billion
Die Size
438 mm²
237 mm²
Board Design
TDP
580W
80W
Suggested PSU
950 W
—
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
No outputs
Power Connectors
4x 8-pin
None
Graphics Features
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.0
2.1
Vulkan
1.2
1.3
Shader Model
6.3
6.5
Benchmark
3DMark Time Spy
—
7,700
3DMark Time Spy Extreme
—
3,389
▲ Specs Compare
Data sourced from official specifications and benchmark tests.