Home GPU Comparison NVIDIA GeForce GTX 660 OEM vs ATI Radeon HD 2600 PRO AGP

NVIDIA GeForce GTX 660 OEM vs ATI Radeon HD 2600 PRO AGP

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 660 OEM and 512MB VRAM ATI Radeon HD 2600 PRO AGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 OEM 's Advantages
Released 5 years and 2 months late
Boost Clock888MHz
More VRAM (1536GB vs 512GB)
Larger VRAM bandwidth (134.4GB/s vs 12.67GB/s)
1032 additional rendering cores
ATI Radeon HD 2600 PRO AGP 's Advantages
Lower TDP (35W vs 130W)

Score

Benchmark

FP32 (float)
GeForce GTX 660 OEM +1330%
2.046 TFLOPS
ATI Radeon HD 2600 PRO AGP
0.143 TFLOPS
VS

Graphics Card

Aug 2012
Release Date
Jun 2007
GeForce 600
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
AGP 8x

Clock Speeds

823 MHz
Base Clock
-
888 MHz
Boost Clock
-
1400 MHz
Memory Clock
396 MHz

Memory

1536MB
Memory Size
512MB
GDDR5
Memory Type
DDR2
192bit
Memory Bus
128bit
134.4GB/s
Bandwidth
12.67GB/s

Render Config

-
Compute Units
3
-
-
-
1152
Shading Units
120
96
TMUs
8
24
ROPs
4
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
-
384 KB
L2 Cache
64 KB
-
-
-

Theoretical Performance

21.31 GPixel/s
Pixel Rate
2.376 GPixel/s
85.25 GTexel/s
Texture Rate
4.752 GTexel/s
-
-
-
2.046 TFLOPS
FP32 (float)
142.6 GFLOPS
85.25 GFLOPS
FP64 (double)
-

Board Design

130W
TDP
35W
300 W
Suggested PSU
200 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x DVI 1x VGA 1x S-Video
1x 6-pin
Power Connectors
None

Graphics Processor

GK104
GPU Name
RV630
GK104-200-KD-A2
GPU Variant
RV630 PRO (215CDBBKA15FG)
Kepler
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
65 nm
3.54 billion
Transistors
0.39 billion
294 mm²
Die Size
153 mm²

Graphics Features

12 (11_0)
DirectX
10.0 (10_0)
4.6
OpenGL
3.3
3.0
OpenCL
N/A
1.1
Vulkan
N/A
3.0
CUDA
-
5.1
Shader Model
4.0

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