NVIDIA GeForce GTX 650 Ti vs AMD Radeon HD 7950
GPU · Specs Compare
Graphics Card
Release Date
Oct 2012
Jan 2012
Generation
GeForce 600
Southern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1350 MHz
1250 MHz
Memory
Memory Size
1024MB
3GB
Memory Type
GDDR5
GDDR5
Memory Bus
128bit
384bit
Bandwidth
86.40GB/s
240.0GB/s
Render Config
Shading Units
768
1792
TMUs
64
112
ROPs
16
32
L1 Cache
16 KB (per SMX)
16 KB (per CU)
L2 Cache
256 KB
768 KB
Compute Units
—
28
Theoretical Performance
Pixel Rate
14.85 GPixel/s
25.60 GPixel/s
Texture Rate
59.39 GTexel/s
89.60 GTexel/s
FP32 (float)
1425 GFLOPS
2.867 TFLOPS
FP64 (double)
59.39 GFLOPS
716.8 GFLOPS
Graphics Processor
GPU Name
GK106
Tahiti
GPU Variant
GK106-220-A1
Tahiti PRO(215-0821056)
Architecture
Kepler
GCN 1.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
2.54 billion
4.313 billion
Die Size
221 mm²
352 mm²
Board Design
TDP
110W
200W
Suggested PSU
300 W
550 W
Outputs
2x DVI1x mini-HDMI 1.4a
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
1x 6-pin
2x 6-pin
Graphics Features
DirectX
12 (11_0)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
3.0
1.2
Vulkan
1.1
1.2
CUDA
3.0
—
Shader Model
5.1
5.1
Benchmark
3DMark Time Spy
—
1,969
3DMark Time Spy Extreme
—
1,019
▲ Specs Compare
Data sourced from official specifications and benchmark tests.