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GPU Comparison
ATI Radeon HD 4670 X2 vs NVIDIA GeForce GTX 660 Rev. 2
ATI Radeon HD 4670 X2 vs NVIDIA GeForce GTX 660 Rev. 2
VS
ATI Radeon HD 4670 X2
Type 1 or more characters for results.
NVIDIA GeForce GTX 660 Rev. 2
Type 1 or more characters for results.
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4670 X2 and 2GB VRAM GeForce GTX 660 Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI Radeon HD 4670 X2 's Advantages
Lower TDP (118W vs 140W)
NVIDIA GeForce GTX 660 Rev. 2 's Advantages
Released 6 years late
Boost Clock1032MHz
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (144.2GB/s vs 22.40GB/s)
640 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 4670 X2
0.48 TFLOPS
GeForce GTX 660 Rev. 2
+312%
1.981 TFLOPS
Radeon HD 4670 X2
VS
GeForce GTX 660 Rev. 2
Graphics Card
Sep 2008
Release Date
Sep 2014
Radeon R700
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
980 MHz
-
Boost Clock
1032 MHz
700 MHz
Memory Clock
1502 MHz
Memory
512MB
Memory Size
2GB
GDDR3
Memory Type
GDDR5
128bit
Memory Bus
192bit
22.40GB/s
Bandwidth
144.2GB/s
Render Config
4
Compute Units
-
-
-
-
320
Shading Units
960
32
TMUs
80
8
ROPs
24
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per SMX)
128 KB
L2 Cache
384 KB
-
-
-
Theoretical Performance
6.000 GPixel/s
Pixel Rate
20.64 GPixel/s
24.00 GTexel/s
Texture Rate
82.56 GTexel/s
-
-
-
480.0 GFLOPS
FP32 (float)
1.981 TFLOPS
-
FP64 (double)
82.56 GFLOPS
Board Design
118W
TDP
140W
300 W
Suggested PSU
300 W
4x DVI
Outputs
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
1x 6-pin
Power Connectors
1x 6-pin
Graphics Processor
RV730
GPU Name
GK104
RV730 XT (215-0719047)
GPU Variant
-
TeraScale
Architecture
Kepler
TSMC
Foundry
TSMC
55 nm
Process Size
28 nm
0.514 billion
Transistors
3.54 billion
146 mm²
Die Size
294 mm²
Graphics Features
10.1 (10_1)
DirectX
12 (11_0)
3.3
OpenGL
4.6
1.1
OpenCL
3.0
N/A
Vulkan
1.1
-
CUDA
3.0
4.1
Shader Model
5.1
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