AMD Radeon HD 6970 X2 vs NVIDIA GeForce GTX 650 Ti
We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6970 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
AMD Radeon HD 6970 X2 's Advantages
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (176.0GB/s vs 86.40GB/s)
768 additional rendering cores
NVIDIA GeForce GTX 650 Ti 's Advantages
Lower TDP (110W vs 375W)
Score
Benchmark
FP32 (float)
Radeon HD 6970 X2
+89%
2.703 TFLOPS
GeForce GTX 650 Ti
1.425 TFLOPS
Graphics Card
Unknown
Release Date
Oct 2012
Northern Islands
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
-
-
-
-
-
1375 MHz
Memory Clock
1350 MHz
Memory
2GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
176.0GB/s
Bandwidth
86.40GB/s
Render Config
24
Compute Units
-
-
-
-
1536
Shading Units
768
96
TMUs
64
32
ROPs
16
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
16 KB (per SMX)
512 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
28.16 GPixel/s
Pixel Rate
14.85 GPixel/s
84.48 GTexel/s
Texture Rate
59.39 GTexel/s
-
-
-
2.703 TFLOPS
FP32 (float)
1425 GFLOPS
-
FP64 (double)
59.39 GFLOPS
Board Design
375W
TDP
110W
750 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
Antilles
GPU Name
GK106
Antilles XT
(215-0807027)
GPU Variant
GK106-220-A1
TeraScale 3
Architecture
Kepler
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
2.64 billion
Transistors
2.54 billion
389 mm²
Die Size
221 mm²
Graphics Features
11.2 (11_0)
DirectX
12 (11_0)
4.4
OpenGL
4.6
1.2
OpenCL
3.0
N/A
Vulkan
1.1
-
CUDA
3.0
5.0
Shader Model
5.1
