GPU Comparison
RADEON
ATI Radeon X1900 XT
CORE STATE
R580
VRAM
256 MB
CLOCK SPEED
—
TDP
100 W
BUS WIDTH
256 bit
ARCHITECTURE
Ultra-Threaded SE
PROCESS
90 nm
LAUNCH DATE
2006
VS
GEFORCE
GeForce GTX 1660 Ti Max-Q
CORE STATE
TU116
VRAM
6 GB
CLOCK SPEED
1335 MHz
TDP
—
BUS WIDTH
192 bit
ARCHITECTURE
Turing
PROCESS
12 nm
LAUNCH DATE
2019
DETAILED SPECIFICATIONS
SPECIFICATION
ATI Radeon X1900 XT
GTX 1660 Ti Max-Q
Core Specs
Shading Units
—
1,536
Shaders
—
1,536
TMUs
16
96
+500.0%
ROPs
16
48
+200.0%
SM Count
—
24
Clocks
Base Clock
—
1140 MHz
Boost Clock
—
1335 MHz
GPU Clock
625 MHz
—
Memory Clock
725 MHz
1450 Mbps effective
1500 MHz
12 Gbps effective
Memory
Memory Size
256 MB
6 GB
VRAM (MB)
256
6,144
+2300.0%
Memory Type
GDDR3
GDDR6
Memory Bus
256 bit
192 bit
Bandwidth
46.40 GB/s
288.0 GB/s
Cache
L1 Cache
—
64 KB (per SM)
L2 Cache
—
1536 KB
Performance
Pixel Rate
10.00 GPixel/s
64.08 GPixel/s
Texture Rate
10.00 GTexel/s
128.2 GTexel/s
FP32 (TFLOPS)
—
4.101 TFLOPS
FP64 (TFLOPS)
—
128.2 GFLOPS (1:32)
FP16 (TFLOPS)
—
8.202 TFLOPS (2:1)
Power
TDP
100 W
—
TDP (W)
100
—
Suggested PSU
300 W
—
Power Connectors
1x 6-pin
None
Architecture
Architecture
Ultra-Threaded SE
Turing
GPU Name
R580
TU116
Generation
Radeon R500 PCIe
(X1900)
GeForce 16 Mobile
Process Size
90 nm
12 nm
Transistors
384 million
6,600 million
Die Size
352 mm²
284 mm²
Foundry
TSMC
TSMC
Density
1.1M / mm²
23.2M / mm²
API Support
DirectX
9.0c (9_3)
12 (12_1)
OpenGL
2.1 (full)
3.0 (partial)
4.6
Vulkan
—
1.4
OpenCL
—
3.0
CUDA
—
7.5
Shader Model
3.0
6.8
Physical
Slot Width
Dual-slot
MXM Module
Length
242 mm
9.5 inches
—
Outputs
2x DVI1x S-Video
Portable Device Dependent
Bus Interface
PCIe 1.0 x16
PCIe 3.0 x16
Other
Launch Price
299 USD
—
Production
End-of-life
End-of-life
Predecessor
Radeon R400 PCIe
GeForce 10 Mobile
Successor
Radeon R600
GeForce 20 Mobile