GPU Comparison
RADEON
ATI Radeon HD 2900 XT
CORE STATE
R600
VRAM
512 MB
CLOCK SPEED
—
TDP
215 W
BUS WIDTH
512 bit
ARCHITECTURE
TeraScale
PROCESS
80 nm
LAUNCH DATE
2007
VS
GEFORCE
GeForce GTX 1660 Ti Mobile
CORE STATE
TU116
VRAM
6 GB
CLOCK SPEED
1590 MHz
TDP
—
BUS WIDTH
192 bit
ARCHITECTURE
Turing
PROCESS
12 nm
LAUNCH DATE
2019
DETAILED SPECIFICATIONS
SPECIFICATION
ATI Radeon HD 2900 XT
GTX 1660 Ti Mobile
Core Specs
Shading Units
320
1,536
+380.0%
Shaders
320
1,536
+380.0%
TMUs
16
96
+500.0%
ROPs
16
48
+200.0%
Compute Units
4
—
SM Count
—
24
Clocks
Base Clock
—
1455 MHz
Boost Clock
—
1590 MHz
GPU Clock
743 MHz
—
Memory Clock
828 MHz
1656 Mbps effective
1500 MHz
12 Gbps effective
Memory
Memory Size
512 MB
6 GB
VRAM (MB)
512
6,144
+1100.0%
Memory Type
GDDR3
GDDR6
Memory Bus
512 bit
192 bit
Bandwidth
106.0 GB/s
288.0 GB/s
Cache
L1 Cache
—
64 KB (per SM)
L2 Cache
256 KB
1536 KB
Performance
Pixel Rate
11.89 GPixel/s
76.32 GPixel/s
Texture Rate
11.89 GTexel/s
152.6 GTexel/s
FP32 (TFLOPS)
475.5 GFLOPS
4.884 TFLOPS
FP64 (TFLOPS)
—
152.6 GFLOPS (1:32)
FP16 (TFLOPS)
—
9.769 TFLOPS (2:1)
Power
TDP
215 W
—
TDP (W)
215
—
Suggested PSU
550 W
—
Power Connectors
1x 6-pin + 1x 8-pin
None
Architecture
Architecture
TeraScale
Turing
GPU Name
R600
TU116
Generation
Radeon R600
(HD 2900)
GeForce 16 Mobile
Process Size
80 nm
12 nm
Transistors
720 million
6,600 million
Die Size
420 mm²
284 mm²
Foundry
TSMC
TSMC
Density
1.7M / mm²
23.2M / mm²
API Support
DirectX
10.0 (10_0)
12 (12_1)
OpenGL
3.3 (full)
4.0 (partial)
4.6
Vulkan
—
1.4
OpenCL
—
3.0
CUDA
—
7.5
Shader Model
4.0
6.8
Physical
Slot Width
Dual-slot
MXM Module
Length
241 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
399 USD
—
Production
End-of-life
End-of-life
Predecessor
Radeon R500 PCIe
GeForce 10 Mobile
Successor
Radeon R700
GeForce 20 Mobile