GPU Comparison
RADEON
AMD Radeon HD 7970 X2
CORE STATE
New Zealand
VRAM
3 GB
CLOCK SPEED
—
TDP
500 W
BUS WIDTH
384 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2012
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
HD 7970 X2
GTX 1660 Ti Mobile
Core Specs
Shading Units
2,048
1,536
-25.0%
Shaders
2,048
1,536
-25.0%
TMUs
128
96
-25.0%
ROPs
32
48
+50.0%
Compute Units
32
—
SM Count
—
24
Clocks
Base Clock
—
1455 MHz
Boost Clock
—
1590 MHz
GPU Clock
925 MHz
—
Memory Clock
1375 MHz
5.5 Gbps effective
1500 MHz
12 Gbps effective
Memory
Memory Size
3 GB
6 GB
VRAM (MB)
3,072
6,144
+100.0%
Memory Type
GDDR5
GDDR6
Memory Bus
384 bit
192 bit
Bandwidth
264.0 GB/s
288.0 GB/s
Cache
L1 Cache
16 KB (per CU)
64 KB (per SM)
L2 Cache
768 KB
1536 KB
Performance
Pixel Rate
29.60 GPixel/s
76.32 GPixel/s
Texture Rate
118.4 GTexel/s
152.6 GTexel/s
FP32 (TFLOPS)
3.789 TFLOPS
4.884 TFLOPS
FP64 (TFLOPS)
947.2 GFLOPS (1:4)
152.6 GFLOPS (1:32)
FP16 (TFLOPS)
—
9.769 TFLOPS (2:1)
Power
TDP
500 W
—
TDP (W)
500
—
Suggested PSU
900 W
—
Power Connectors
3x 8-pin
None
Architecture
Architecture
GCN 1.0
Turing
GPU Name
New Zealand
TU116
Generation
Southern Islands
(HD 7900)
GeForce 16 Mobile
Process Size
28 nm
12 nm
Transistors
4,313 million
6,600 million
Die Size
352 mm²
284 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
23.2M / mm²
API Support
DirectX
12 (11_1)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.4
OpenCL
2.1 (1.2)
3.0
CUDA
—
7.5
Shader Model
6.5 (5.1)
6.8
Physical
Slot Width
Triple-slot
MXM Module
Length
308 mm
12.1 inches
—
Height
137 mm
5.4 inches
—
Outputs
2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Portable Device Dependent
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Other
Launch Price
899 USD
—
Production
End-of-life
End-of-life
Predecessor
Northern Islands
GeForce 10 Mobile
Successor
Sea Islands
GeForce 20 Mobile