AMD Radeon HD 7970 vs NVIDIA GeForce GTX 1660 Ti Mobile
GPU Specs Compare
Graphics Card
Release Date
Jan 2012
Apr 2019
Generation
Southern Islands
GeForce 16 Mobile
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1375 MHz
1500 MHz
Base Clock
-
1455 MHz
Boost Clock
-
1590 MHz
Memory
Memory Size
3GB
6GB
Memory Type
GDDR5
GDDR6
Memory Bus
384bit
192bit
Bandwidth
264.0GB/s
288.0GB/s
Render Config
Compute Units
32
-
Shading Units
2048
1536
TMUs
128
96
ROPs
32
48
L1 Cache
16 KB (per CU)
64 KB (per SM)
L2 Cache
768 KB
1536 KB
SM Count
-
24
Theoretical Performance
Pixel Rate
29.60 GPixel/s
76.32 GPixel/s
Texture Rate
118.4 GTexel/s
152.6 GTexel/s
FP32 (float)
3.789 TFLOPS
4.884 TFLOPS
FP64 (double)
947.2 GFLOPS
152.6 GFLOPS
FP16 (half)
-
9.769 TFLOPS
Graphics Processor
GPU Name
Tahiti
TU116
GPU Variant
Tahiti XT(215-0821060)
-
Architecture
GCN 1.0
Turing
Foundry
TSMC
TSMC
Process Size
28 nm
12 nm
Transistors
4.313 billion
6.6 billion
Die Size
352 mm²
284 mm²
Board Design
TDP
250W
Unknown
Suggested PSU
600 W
-
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Portable Device Dependent
Power Connectors
1x 6-pin + 1x 8-pin
None
Graphics Features
DirectX
12 (11_1)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
2.1 (1.2)
3.0
Vulkan
1.2.170
1.3
Shader Model
6.5 (5.1)
6.7
CUDA
-
7.5
📊 Benchmark
3DMark Time Spy
2,310
5,597
3DMark Time Spy Extreme
1,209
2,574