AMD Radeon R9 290X2 vs AMD Radeon 660M
GPU · Specs Compare
Graphics Card
Release Date
Jun 2014
Jan 2022
Generation
Volcanic Islands
Rembrandt
Type
Desktop
Integrated
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x8
Clock Speeds
Memory Clock
1350 MHz
System Shared
Base Clock
—
1500 MHz
Boost Clock
—
1900 MHz
Memory
Memory Size
4GB
System Shared
Memory Type
GDDR5
System Shared
Memory Bus
512bit
System Shared
Bandwidth
345.6GB/s
System Dependent
Render Config
Compute Units
44
6
Shading Units
2816
384
TMUs
176
24
ROPs
64
16
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
1024 KB
2 MB
RT Cores
—
6
Theoretical Performance
Pixel Rate
64.00 GPixel/s
30.40 GPixel/s
Texture Rate
176.0 GTexel/s
45.60 GTexel/s
FP32 (float)
5.632 TFLOPS
1459 GFLOPS
FP64 (double)
704.0 GFLOPS
91.20 GFLOPS
FP16 (half)
—
2.918 TFLOPS
Graphics Processor
GPU Name
Hawaii
Rembrandt
GPU Variant
Hawaii XT(215-0852000)
—
Architecture
GCN 2.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
6 nm
Transistors
6.2 billion
13.1 billion
Die Size
438 mm²
210 mm²
Board Design
TDP
580W
15W
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
2.0
Vulkan
1.2
1.2
Shader Model
6.3
6.5
Benchmark
3DMark Time Spy
—
1,537
3DMark Time Spy Extreme
—
701
▲ Specs Compare
Data sourced from official specifications and benchmark tests.