Home 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

ATI Radeon HD 4670 X2
VS
NVIDIA GeForce GTX 660 Rev. 2
ATI Radeon HD 4670 X2
NVIDIA GeForce GTX 660 Rev. 2
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
VS

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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