Radeon HD 7970 X2 vs GeForce GTX 650 Ti
We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 X2 and 1024MB VRAM GeForce GTX 650 Ti to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon HD 7970 X2 's Advantages
More VRAM (3GB vs 1024GB)
Larger VRAM bandwidth (264.0GB/s vs 86.40GB/s)
1280 additional rendering cores
GeForce GTX 650 Ti 's Advantages
Lower TDP (110W vs 500W)
Score
Benchmark
FP32 (float)
Radeon HD 7970 X2
+165%
3789
GeForce GTX 650 Ti
1425
Graphics Card
Aug 2012
Release Date
Oct 2012
Southern Islands
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1375 MHz
Memory Clock
1350 MHz
Memory
3GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
128bit
264.0GB/s
Bandwidth
86.40GB/s
Render Config
32
Compute Units
-
2048
Shading Units
768
128
TMUs
64
32
ROPs
16
16 KB (per CU)
L1 Cache
16 KB (per SMX)
768 KB
L2 Cache
256 KB
Theoretical Performance
29.60 GPixel/s
Pixel Rate
14.85 GPixel/s
118.4 GTexel/s
Texture Rate
59.39 GTexel/s
3.789 TFLOPS
FP32 (float)
1425 GFLOPS
947.2 GFLOPS
FP64 (double)
59.39 GFLOPS
Board Design
500W
TDP
110W
900 W
Suggested PSU
300 W
2x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2
Outputs
2x DVI
1x mini-HDMI 1.4a
3x 8-pin
Power Connectors
1x 6-pin
Graphics Processor
New Zealand
GPU Name
GK106
-
GPU Variant
GK106-220-A1
GCN 1.0
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
4.313 billion
Transistors
2.54 billion
352 mm²
Die Size
221 mm²
Graphics Features
12 (11_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
1.2
OpenCL
3.0
1.2
Vulkan
1.1
-
CUDA
3.0
5.1
Shader Model
5.1