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GPU Comparison
AMD Radeon HD 7720 OEM vs NVIDIA GeForce GTX 660 OEM
AMD Radeon HD 7720 OEM vs NVIDIA GeForce GTX 660 OEM
VS
AMD Radeon HD 7720 OEM
NVIDIA GeForce GTX 660 OEM
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7720 OEM and 1536MB VRAM GeForce GTX 660 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 7720 OEM 's Advantages
Released 7 months late
NVIDIA GeForce GTX 660 OEM 's Advantages
Boost Clock888MHz
More VRAM (1536GB vs 1024GB)
352 additional rendering cores
Lower TDP (130W vs 150W)
Score
Benchmark
FP32 (float)
Radeon HD 7720 OEM
1.344 TFLOPS
GeForce GTX 660 OEM
+52%
2.046 TFLOPS
Radeon HD 7720 OEM
VS
GeForce GTX 660 OEM
Graphics Card
Mar 2013
Release Date
Aug 2012
Southern Islands
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
823 MHz
-
Boost Clock
888 MHz
1050 MHz
Memory Clock
1400 MHz
Memory
1024MB
Memory Size
1536MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
192bit
134.4GB/s
Bandwidth
134.4GB/s
Render Config
10
Compute Units
-
-
-
-
800
Shading Units
1152
40
TMUs
96
32
ROPs
24
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
16 KB (per SMX)
512 KB
L2 Cache
384 KB
-
-
-
Theoretical Performance
26.88 GPixel/s
Pixel Rate
21.31 GPixel/s
33.60 GTexel/s
Texture Rate
85.25 GTexel/s
-
-
-
1344 GFLOPS
FP32 (float)
2.046 TFLOPS
-
FP64 (double)
85.25 GFLOPS
Board Design
150W
TDP
130W
450 W
Suggested PSU
300 W
2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1
Outputs
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
-
Power Connectors
1x 6-pin
Graphics Processor
Barts
GPU Name
GK104
Barts LE (215-0798002)
GPU Variant
GK104-200-KD-A2
TeraScale 2
Architecture
Kepler
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
1.7 billion
Transistors
3.54 billion
255 mm²
Die Size
294 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
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